help me
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help me
if you don't know the answer please dont spam I will report it
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Given:
To Find:
Solution:
(5x+2y)² = (5x–2y)²+ 4×5x×2y
= 7²+ 40×2
= 49 + 80 = 129
Formula Used:
answer:
rewrite (5x+2y)^2
(5x+2y)
(5x+2y)
(5x+2y)
(5x+2y)
5x(5x)+5x(2y)+2y(5x)+2y(2y)
25x^2+20xy+4y^2