Question

Simplifique 3.(3x^2-1)^2 -24.(x^2-1)^2 -7.(4x^2-3) -3x^4.

Answer 1

Resposta:

$3( {3x}^{2} - 1) - 24( {x}^{2} - 1) - 7( {4x}^{2} - 3) - {3x}^{4} = \\ 9 {x}^{2} - 3 - {24x}^{2} + 24 - {28x}^{2} + 21 - {3x}^{4} = \\ { - 43x}^{2} + 42 - {3x}^{4} = \\ { - 3x}^{4} - {43x}^{2} + 42$

FIM