Multiply the following:-3x2y, (5y - xy)

The multiplication is as follows:(-3x2y)×(5y-xy)= (-3x2y.5y) + (3x2y.xy)= -15x2y2 + 3x3y2The product is = -15x2y2 + 3x3y2

Q83 of 128 Page 224

Multiply the following:
-3x²y, (5y - xy)

The multiplication is as follows:

(-3x²y)×(5y-xy)

= (-3x²y.5y) + (3x²y.xy)

= -15x²y² + 3x³y²

The product is = -15x²y² + 3x³y²

Multiply the following:

15xy², 17yz²

Multiply the following:

-5a²bc, 11ab, 12abc²

Multiply the following:

abc, (bc + ca)

The multiplication is as follows:

(vii) 7prq, (p - q + r)

Multiply the following:

x²y²z², (xy – yz + zx)