Question

ПОМОГИТЕ ПОЖАЛУЙСТАААА

Answer 1

$1)4x^4*(-2x^2)^3=4x^4*(-8x^6)=-32x^1^0; \ 2)(4x-1)(4x+1)^2=(4x-1)(16x^2+8x+1)=64x^3+32x^2+ \ +4x-16x^2 -8x-1= 64x^3+16x^2+4x-1; \ 3)(2y-3x)^2-(3x+2y)(2y-3x)=4y^2-12xy+9x^2-(6xy-9x^2+ \ +4y^2-6xy)=4y^2-12xy+9x^2 +9x^2-4y^2=18x^2-12xy.$