Pre-Algebra Examples

$(x^{3} \cdot (10 x^{2}) \cdot (23 x) + 6) \div (x + 3)$

Step 1

Expand $x^{3} \cdot (10 x^{2}) \cdot (23 x) + 6$ .

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Step 1.1

Remove parentheses.

$\frac{x^{3} \cdot (10 x^{2}) \cdot (23 x) + 6}{x + 3}$

Step 1.2

Reorder $x^{3}$ and $10$ .

$\frac{10 \cdot (x^{3} x^{2}) \cdot (23 x) + 6}{x + 3}$

Step 1.3

Remove parentheses.

$\frac{10 \cdot (x^{3} x^{2}) \cdot (23 x) + 6}{x + 3}$

Step 1.4

Move $x^{2}$ .

$\frac{10 \cdot x^{3} \cdot (23 x^{2} x) + 6}{x + 3}$

Step 1.5

Move $x^{3}$ .

$\frac{10 \cdot (23 x^{3} x^{2} x) + 6}{x + 3}$

Step 1.6

Multiply $10$ by $23$ .

$\frac{230 x^{3} x^{2} x + 6}{x + 3}$

Step 1.7

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{230 x^{3 + 2} x + 6}{x + 3}$

Step 1.8

Add $3$ and $2$ .

$\frac{230 x^{5} x + 6}{x + 3}$

Step 1.9

Raise $x$ to the power of $1$ .

$\frac{230 (x^{5} x) + 6}{x + 3}$

Step 1.10

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{230 x^{5 + 1} + 6}{x + 3}$

Step 1.11

Add $5$ and $1$ .

$\frac{230 x^{6} + 6}{x + 3}$

Step 2

Set up the polynomials to be divided. If there is not a term for every exponent, insert one with a value of $0$ .

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

Step 3

Divide the highest order term in the dividend $230 x^{6}$ by the highest order term in divisor $x$ .

$230 x^{5}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

Step 4

Multiply the new quotient term by the divisor.

$230 x^{5}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

Step 5

The expression needs to be subtracted from the dividend, so change all the signs in $230 x^{6} + 690 x^{5}$

$230 x^{5}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

Step 6

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

Step 7

Pull the next terms from the original dividend down into the current dividend.

$230 x^{5}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

Step 8

Divide the highest order term in the dividend $- 690 x^{5}$ by the highest order term in divisor $x$ .

$230 x^{5}$

$690 x^{4}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

Step 9

Multiply the new quotient term by the divisor.

$230 x^{5}$

$690 x^{4}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

Step 10

The expression needs to be subtracted from the dividend, so change all the signs in $- 690 x^{5} - 2070 x^{4}$

$230 x^{5}$

$690 x^{4}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

Step 11

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$690 x^{4}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

Step 12

Pull the next terms from the original dividend down into the current dividend.

$230 x^{5}$

$690 x^{4}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

Step 13

Divide the highest order term in the dividend $2070 x^{4}$ by the highest order term in divisor $x$ .

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

Step 14

Multiply the new quotient term by the divisor.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

Step 15

The expression needs to be subtracted from the dividend, so change all the signs in $2070 x^{4} + 6210 x^{3}$

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

Step 16

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

Step 17

Pull the next terms from the original dividend down into the current dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

Step 18

Divide the highest order term in the dividend $- 6210 x^{3}$ by the highest order term in divisor $x$ .

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

Step 19

Multiply the new quotient term by the divisor.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

Step 20

The expression needs to be subtracted from the dividend, so change all the signs in $- 6210 x^{3} - 18630 x^{2}$

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

Step 21

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

Step 22

Pull the next terms from the original dividend down into the current dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

Step 23

Divide the highest order term in the dividend $18630 x^{2}$ by the highest order term in divisor $x$ .

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

Step 24

Multiply the new quotient term by the divisor.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

Step 25

The expression needs to be subtracted from the dividend, so change all the signs in $18630 x^{2} + 55890 x$

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

Step 26

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

Step 27

Pull the next terms from the original dividend down into the current dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

$6$

Step 28

Divide the highest order term in the dividend $- 55890 x$ by the highest order term in divisor $x$ .

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$55890$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

$6$

Step 29

Multiply the new quotient term by the divisor.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$55890$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

$6$

$55890 x$

$167670$

Step 30

The expression needs to be subtracted from the dividend, so change all the signs in $- 55890 x - 167670$

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$55890$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

$6$

$55890 x$

$167670$

Step 31

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$230 x^{5}$

$690 x^{4}$

$2070 x^{3}$

$6210 x^{2}$

$18630 x$

$55890$

$x$

$3$

$230 x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$6$

$230 x^{6}$

$690 x^{5}$

$0 x^{4}$

$690 x^{5}$

$2070 x^{4}$

$0 x^{3}$

$2070 x^{4}$

$6210 x^{3}$

$0 x^{2}$

$6210 x^{3}$

$18630 x^{2}$

$0 x$

$18630 x^{2}$

$55890 x$

$6$

$55890 x$

$167670$

$167676$

Step 32

The final answer is the quotient plus the remainder over the divisor.

$230 x^{5} - 690 x^{4} + 2070 x^{3} - 6210 x^{2} + 18630 x - 55890 + \frac{167676}{x + 3}$