Basic Math Examples

$y^{2} + 4 y - 5 = 0$

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 $- 5$ and whose sum is $4$ .

$- 1, 5$

Step 2

Write the factored form using these integers.

$(y - 1) (y + 5) = 0$