x2- 9xy- 70y2

for the answer i got....

(x-14y)(x+5y)

is this correct?

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- Aug 10th 2010, 03:48 PMallsmilesSolving Quadratic Equations in Factored Form
**x****2****- 9****xy****- 70y****2**

**for the answer i got....**

**(x-14y)(x+5y)**

**is this correct?**

- Aug 10th 2010, 04:19 PMpickslides
It is.

to check yourself, expand out your answer

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