Question

Simplify (7b2 – 3b + 2) + (5b2 – 8b – 4)



12b2 + 5b – 2

12b2 + 5b + 6

12b2 – 11b – 2

12b2 – 11b + 6

Answer 1

just combine like term by getting rid of the parenthesis...
\[\huge (7b^2 – 3b + 2) + (5b^2 – 8b – 4) \]

Answer 2

so 12b2 + 5b + 6?

Answer 3

how did you get 5b ?

Answer 4

because 3-8=-5? and i kept the b term

Answer 5

\[\huge (7b^2\color {red}{-3b}+2) +(5b^2\color {red}{-8b}-4) \]

Answer 6

\[\huge \color {red}{-3b} + \color {red}{-8b}=-11b \]

Answer 7

you wanna revise your answer now?