Question

（1）-4x(6+x)+x(-x+4)+5(x^2+x-3)=-7+x

Answer 1

(1) -24x-4x^2-x^2+4x+5x^2+5x-15=-7+x

-15x-x=7+15

-16x=22

x =5/4

(2) x^2+8x-3x-24=x^2-7x+4x-28+2x+10

x^2+5x-24=x^2-x-28

x^2+5x-x^2+x=-28+24

6x=-4

x=-2/3