Question

(x2 + y)(x4 – xły + y2)
verify the results for x=-2 and y=-5

Answer 1

Answer:

(4-5)(16-10+25)

-1(31)

-31 is the verified

Answer 2

Answer:

2x + y )(4x - x*y +2y)

= {(2)(-2)+(-5)} {(4)(-2) - (-2)(-5)+(-5)(2)}

={(-4)+(-5)} {(-8)-(10)+(-10)}

=(-9){(-18)-10}

=(-9)(-28)

+ 202