SOLUTION: FOIL:
I understand how to do this. I just need a sanity check.
(a+7)(a-5)
My answer is this
a^2-2a+35
Algebra.Com
Question 70709: FOIL:
I understand how to do this. I just need a sanity check.
(a+7)(a-5)
My answer is this
a^2-2a+35
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
understand how to do this. I just need a sanity check.
(a+7)(a-5)
My answer is this
a^2-2a+35
:
couple of math errors, when you FOIL you have:
a^2 - 5a + 7a - 35
:
So that would be:
a^2 + 2a - 35, wouldn't it?
RELATED QUESTIONS
I am working on an equation that I am to answer in standard form. Ok I understand that.... (answered by ankor@dixie-net.com)
I am trying to help my grandson with his algebra. The equation is
7(6-2a)=5(-3a+1).... (answered by Fombitz,rfer)
please help me solve this equation: {{{a(3a+1)-(2a+1)(a-1)}}}
I have tried to solve it (answered by mccravyedwin)
-3r+5-3s-7+8s-2t-r i dont need the answer, i just need to know how to do this kind of a... (answered by elima,andkon)
This is part of a problem I have to solve, which has to do with rational expressions...... (answered by scott8148)
4x-16=80..This is from a test so I don't have a chapter or anything. I do not understand (answered by jim_thompson5910)
I understand the basics of Pythagorean theorem. Right now, I am solving for the unknown... (answered by Alan3354)
Here is my problem.
[SQRT(x + 7)] - 2[SQRT(x)] =-2
OR
√(x + 7) -... (answered by lwsshak3,MathTherapy,greenestamps)
I need help solving this problem using foil. Thank you.
(a - 2/5)(a +... (answered by ewatrrr)