Question

-21 x (x +28)
multipy

Answer 1

The expression -21 x (x + 28) can be simplified by using the distributive property of multiplication over addition.

Using the distributive property:

-21 x (x + 28) = -21x^2 - 21 x 28

Multiplying:

-21x^2 - 21 x 28 = -21x^2 - 588

So the simplified expression is equal to -21x^2 - 588.