Asked by Breanna
Factorize completely
(i) 4X^2 - 25
(i) 4X^2 - 25
Answers
Answered by
oobleck
recall that a^2-b^2 = (a-b)(a+b)
so, you have
(2x)^2 - 5^2 = (2x-5)(2x+5)
so, you have
(2x)^2 - 5^2 = (2x-5)(2x+5)
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