Question

№7 и если сможете №6 б​

Answer 1

6)5-x^2=1-x(x+8)

5-x^2=1-x^2-8x

x^2+x^2+8x=-4

x^2+4x=-2

x(x+4)=-2

x=-2

x2=-6

b) 4x-(5x+2)=3(1-2x)

4x-5x-2=3-6x

5x=5

x=1