Question

Select ALL expressions that are equivalent to -40x+100

4(10x+96)
20(-2x+5)
2
10(4x-10)
10(-4x+10)

Answer 1

B & E are correct. They both equal -40x + 100

Answer 2

20(-2x+5)

10(-4x+10)

Explanation:

20(-2x+5) = -40x+100

10(-4x+10) = -40x+100

You just need to expand the brackets