Finite Math Examples

3 x^{2} - 13 x + 19 = a (x - 2^{2} + b (- 2 c))

$3 x^{2} - 13 x + 19 = a (x - 2^{2} + b (- 2 c))$

Step 1

Rewrite the equation as

a (x - 2^{2} + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 2^{2} + b (- 2 c)) = 3 x^{2} - 13 x + 19$ .

a (x - 2^{2} + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 2^{2} + b (- 2 c)) = 3 x^{2} - 13 x + 19$

Step 2

Simplify.

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Step 2.1

Raise

2

$2$ to the power of

2

$2$ .

a (x - 1 \cdot 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 1 \cdot 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19$

Step 2.2

Multiply

- 1

$- 1$ by

4

$4$ .

a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19$

a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19$

Step 3

Divide each term in

a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19$ by

x - 4 + b (- 2 c)

$x - 4 + b (- 2 c)$ and simplify.

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Step 3.1

Divide each term in

a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19

$a (x - 4 + b (- 2 c)) = 3 x^{2} - 13 x + 19$ by

x - 4 + b (- 2 c)

$x - 4 + b (- 2 c)$ .

\frac{a (x - 4 + b (- 2 c))}{x - 4 + b (- 2 c)} = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$\frac{a (x - 4 + b (- 2 c))}{x - 4 + b (- 2 c)} = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of

x - 4 + b (- 2 c)

$x - 4 + b (- 2 c)$ .

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Step 3.2.1.1

Cancel the common factor.

\frac{a (x - 4 + b (- 2 c))}{x - 4 + b (- 2 c)} = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$\frac{a (x - 4 + b (- 2 c))}{x - 4 + b (- 2 c)} = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.2.1.2

Divide

a

$a$ by

1

$1$ .

a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 + b (- 2 c)} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Simplify each term.

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Step 3.3.1.1

Rewrite using the commutative property of multiplication.

a = \frac{3 x^{2}}{x - 4 - 2 b c} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 - 2 b c} + \frac{- 13 x}{x - 4 + b (- 2 c)} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.3.1.2

Rewrite using the commutative property of multiplication.

a = \frac{3 x^{2}}{x - 4 - 2 b c} + \frac{- 13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 - 2 b c} + \frac{- 13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.3.1.3

Move the negative in front of the fraction.

a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 + b (- 2 c)}

$a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 + b (- 2 c)}$

Step 3.3.1.4

Rewrite using the commutative property of multiplication.

a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}

$a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}$

a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}

$a = \frac{3 x^{2}}{x - 4 - 2 b c} - \frac{13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}$

Step 3.3.2

Combine into one fraction.

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Step 3.3.2.1

Combine the numerators over the common denominator.

a = \frac{3 x^{2} - 13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}

$a = \frac{3 x^{2} - 13 x}{x - 4 - 2 b c} + \frac{19}{x - 4 - 2 b c}$

Step 3.3.2.2

Combine the numerators over the common denominator.

a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}

$a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}$

a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}

$a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}$

a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}

$a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}$

a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}

$a = \frac{3 x^{2} - 13 x + 19}{x - 4 - 2 b c}$