Question

maths please give me solution
$4 {a}^{2} - 3b - 3a {b}^{2}$
if x=7 , y=-3

Answer 1

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4a^2 - 3b - 3ab^2

if a = 7 ; b= -5

= 4(7)^2 - 3(-5) + 3(7)(-5)^2

= 4*49 + 15 + 21*25

= 736