Question

Me ajudem,please

a)3(x-3)+4=2[-(x-4)-4(2x+1)]
b) Calcule o valor,sendo x=2 e y=-3
3x^2y+6xy^2

Answer 1

A) 3(x-3)+4=2[-(x-4)-4(2x+1)]
3x-9+4=2[-x+4-8x-4]
3x-5=-2x-16x
17x=5
X=5/17

B) 3x^2y + 6xy^2
3.2^2.3+6.2.3^2
36+108=144