Factorize the below expression
(a)49x2+70xy+25y2 (b)4y2+20y+25 (c)16x2+4y2+9z2 ? 16xy ? 12yz + 24xz
(d) 2x3 ? 3x2 ? 17x + 30
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by using identity (a+b ) ^2=(a^2+2ab+b^2)
(2y^2) +20y+(5)^2
answer=( 2y+5)^2
= 2y+5
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