Question

4zx(z2+62 -16)= 2z(z + 8)

Answer 1

Step-by-step explanation:

4z.(z^2+6z -16)= 2z(z + 8)

2.(z^2+8z-2z-16) = (z+8)

2.(z-2)(z+8) = (z+8)

2(z-2) = 1

z = 2+1/2 = 5/2