Question

multiply and verify the following ofx=1,y=2z=3. (1) (4y+z)(z-4y)​

Answer 1

Answer:

=(x=1) (y=2)(Z=3)

=(4y+z)(z-4y)

={4(2)+(3)} {(3)-4(2)}

=(8+3) (3-8)

=11-5

=6