find the coefficient of x²in (3x²-5)(4+4x²)
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the coefficient of x square is 3 and 4
shivanigoyal0902:
-8 by common sense
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Answered by
39
(3x^2-5)(4+4x^2)
12x^2+12x^3-20-20x^2
12x^2-20x^2
-8x^2
coefficient of x^2= -8
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