Question

7x(-3-4x) What is it?

Answer 1

Answer:

-21x - 28$x^{2}$

Step-by-step explanation:

First you need to multiply the parentheses by 7x, you should get,

-7x × 3 - 7x × 4x

Then you need to calculate the products (multiply everything)

-21x - 28$x^{2}$

Answer 2

Answer:1x

Step-by-step explanation: