SOLUTION: what is 9y^2-49 factored?
Algebra.Com
Question 621099: what is 9y^2-49 factored?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
what is 9y^2-49 factored?
.
Think "difference of squares"
where if you have:
a^2 - b^2
you can factor as:
(a-b)(a+b)
.
Your equation:
9y^2-49
can be rewritten as:
(3y)^2-7^2
(3y-7)(3y+7)
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