Factorize the following.
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Step-by-step explanation:
a) 16a^2-25b^2
=(4a)^2-(5b)^2
=(4a-5b)(4a+5b)
b)2x-32x^5
=2x-(2x)^5
=2x(1-x^4)
c)(2x+3y)^2-16z^2
(2x+3y)^2-(4z)^2
(2x+3y-4z)(2x+3y+4z)
d)a(2a+3b^2)-4(3a-4b^2)
(a-4)(2a+3b^2)(3a-4b^2)
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