Factor -y^2+9

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Factor -y^2+9

Guest Oct 14, 2014

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Best Answer

-y² + 9 = 9 - y²

This is the difference of two squares with the form: a² - b² = 9(a - b)(a + b)

So: 9 - y² becomes (3 - y)(3 + y)

geno3141 Oct 14, 2014

geno3141 · Answer 1 · 2014-10-14T07:07:08

-y² + 9 = 9 - y²

This is the difference of two squares with the form: a² - b² = 9(a - b)(a + b)

So: 9 - y² becomes (3 - y)(3 + y)