Question

Simplify this expression and find their values if x= 3, a=-1, b=-2 8b-2ab-b²+ 3b + 12.

Answer 1

Answer:

Step-by-step explanation:

if : x=3, a=1, b=-2

value of,

3b-2ab-b²+3b+12

soln,

3(-2)-2(-1)(-2)-(-2)²+3(-2)+12

-6+2(-2)-(4)-6+12

-6-4-4-6+12

12-12-8

12-20

-8