# Solving Quadratic Equations in Factored Form

• Aug 10th 2010, 03:48 PM
allsmiles
Solving Quadratic Equations in Factored Form
x2 - 9xy - 70y2

for the answer i got....
(x-14y)(x+5y)

is this correct?

• Aug 10th 2010, 04:19 PM
pickslides
It is.

to check yourself, expand out your answer

$(x-14y)(x+5y) = x^2+5xy-14xy-70y^2 = x^2-9xy-70y^2$