Question

Simplify the expression -4x2(3x − 7).

Answer 1

-4x²(3x-7)
-12x³+28x²

Answer 2

The answer is
`-12x^3+28x^2`

Explanation:

In order to simplify the expression, we have to multiply the factor with the binomial inside the parentheses. Then we have to add similar terms. A term is basically the variable and its power. In this case, we will have two terms.

So, we multiply:

`-4x^2(3x-7)\\(-4x^2)(3x)+(-4x^2)(-7)\\-12x^3+28x^2`

Finally, the simplified expression is:

`-12x^3+28x^2`