I need to know the answers to my home work step by step.
1) (5p+4)(4p+6)
2) (8x+1)(3x-4)
3) (2n+6)2 The 2 is squared
4) (4b+3)(7b-5)
Use the FOIL method. Multiply terms in this order:
First: (5p+4)(4p+6) ---> 5p x 4p = 20p^2
Outer (5p+4)(4p+6) ---> 5p x 6 = 30p
Inner (5p+4)(4p+6) ---> 4 x 4p = 16p
Last (5p+4)(4p+6) ---> 4 x 6 = 24
Add the terms:
20p^2 + 30p + 16p + 24
Then simplify the terms:
20p^2 + 46p + 24
Follow the same steps with the other problems.
Feel free to post a follow up question, and please "vote up" if this helps.