Algebra Examples

$y^{2} + 3 y - 18$

Step 1

Consider the form $x^{2} + b x + c$ . Find a pair of integers whose product is $c$ and whose sum is $b$ . In this case, whose product is $- 18$ and whose sum is $3$ .

$- 3, 6$

Step 2

Write the factored form using these integers.

$(y - 3) (y + 6)$