10th grade
posted by Si on .
I need help with this problem.
(b+7)(b+1) .

Use FOIL
First: b^2
Outer: 1b
inner:7b
last: 7
b^2+8b+7 
R  8=2

B squared plus eight
posted by Si on .
I need help with this problem.
(b+7)(b+1) .
Use FOIL
First: b^2
Outer: 1b
inner:7b
last: 7
b^2+8b+7
R  8=2
B squared plus eight