can someone please please reverse FOIL this equation for me? ( 9p^2 +3p +1) -> ( ) ( )?
can someone please please reverse FOIL this equation for me? ( 9p^2 +3p +1) -> ( ) ( )?
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(3p-1)(9p^2+3p+1) =
27p^3 + 9p^2 + 3p
…………- 9p^2 – 3p – 1 =
27p^3 – 1
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(9p^2 + 3p + 1) … you can’t use FOIL… you have to use the quadratic equation to find the roots p
It’s not (3p + 1)(3p + 1) because that would result in
3p^2 + 6p + 1
The only other option is (9p + 1)(p+1)… but that is not right either because that gives you 9p^2 + 10p + 1…
You have to use the quadratic equation…
Did you mean 9p^2 + 6p + 1… and you just had a slip of the finger typing 3p instead of 6p?
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(3p+1)(3p+1) is what im thinking but that won’t work cause you would get (9p^2+6p+1) Did you copy it wrong…cause what you have can’t actually be foiled.
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[3p+1][3p+1] expands to 9p^2+6p+1 !!!!!!!!!!!!!!!!
Marilyn, have you got the question down correctly ?
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In this equation the answer is:
No Real Roots.
This problem is not factorable.
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what is the original question? Because it doesn’t seem right that you would have to FOIL that problem.
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