Question

Select all the expressions that are equivalent to 16x+36

a) 16(x+20)
(b) x(16+36)
(c) 4(4x+9)
(d) 2(8x+18)
(e) 2(8x+36)

Answer 1

4(4x+9)

Explanation:

16x+36=0

4(4x+9)=0

4=0 or 4x+9=0

=0 4x=-9

x=-9/4

Answer 2

i believe it’s c and d