Question

expand the following
$2q^{3} + 5q - 18$
​

Answer 1

Answer:

2q^3+9q-4q-18

Step-by-step explanation:

by using mid term method

2*18=36

factors of 36 that when added or subtracted give the number in the mid term that is 5

4*9=36

9-4=5

therefore the expansion goes

2q^3+9q-4q-18