Algebra Examples

$(d^{2} + 6 d + 9) + (d^{3} + 6 d + 9)$

Step 1

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Step 2

Add $6 d$ and $6 d$ .

$d^{2} + 12 d + 9 + d^{3} + 9$

Step 3

Simplify the expression.

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Step 3.1

Add $9$ and $9$ .

$d^{2} + 12 d + d^{3} + 18$

Step 3.2

Move $12 d$ .

$d^{2} + d^{3} + 12 d + 18$

Step 3.3

Reorder $d^{2}$ and $d^{3}$ .

$d^{3} + d^{2} + 12 d + 18$