Question

Simplify: (3a – 4b)(a + b)

A.
3a2– ab – 4b2

B.
3a2 – 7ab – 4b2

C.
3a2 – 12ab – 4b2

D.
3a2 + ab – 4b2

I got A is that right?

Answer 1

are you familiar with the FOIL method ?

Answer 2

Yes

Answer 3

that is how you would solve this problem. Have you tried to solve it using this method ?

Answer 4

A is correct answer

Answer 5

oh ok, I'm still gonna try to work it out using the method though, Thank you :)

Answer 6

if you have trouble, let me know, and I can walk you through it :)

Answer 7

ok :)

Answer 8

I figured it out :D

Answer 9

Simplify.
(4a – 3)2

A.
16a2 – 24a + 9

B.
8a2 – 24a + 6

C.
16a2 – 9

D.
162a – 12 + 9

Would A also be the right answer for this one?

Answer 10

is the problem correct???

Answer 11

What do you mean?

Answer 12

(4a - 3)(4a - 3) = 16a^2 -24a + 9
you are correct :)

Answer 13

Thank you! :D I'm starting to feel more confident in myself now :)

Answer 14

good to hear :)

Answer 15

oh it was sqr i didn't get it

Answer 16

oh ok