Question

решите пж быстрее !!!!!!

Answer 1

a) 7(2x-y)(2x+y)=7(4^2)
б) (22-11x)x-11=-11(x^2-2x+1)

Answer 2

1) 7(4x^2 - y^2)=7(2x-y)(2x+y)
2) -11(x^2-2x+1)= -11(x-1)^2
3) y(x^3+8)=y(x+2)(x^2-2x+4)
4)(y-1-(-9))(y-1+(-9))=(y+8)(y-10)