Multiply: (x + 7)(x – 4)
Solve step by step please!! I got the answer is
x2 + 3x – 28 Is that right?
2007-06-24 02:40:48 · 6 answers · asked by (: 3 in Science & Mathematics ➔ Mathematics
FOIL
(x + 7)(x - 4) =
x² + 7x - 4x - 28 =
x² + 3x - 28
- - - - - - - -s-
2007-06-24 03:24:11 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋
Yep, Correct
If you want to check against
(x + 7)(x – 4)
= x^2 - 4x +7x -28
=x^2 +3x - 28
2007-06-24 09:58:41 · answer #2 · answered by tempomix 2 · 0⤊ 0⤋
you got the right the answer, so what's the use of the solution?? i believe you already solved it on your own...
:-)...
however, the FOIL method will be helpful to your problem
F_ means you must multiply the first terms
O- then the outer term
I-inner term
L- lastly, the last term...
2007-06-24 09:46:32 · answer #3 · answered by simply 3 · 0⤊ 0⤋
Yep.
2007-06-24 09:46:51 · answer #4 · answered by montani1970 1 · 0⤊ 0⤋
yea thats right, you first add the x then you subtract and add...all that fun stuff!
2007-06-24 09:58:44 · answer #5 · answered by Anonymous · 0⤊ 0⤋
YA
2007-06-24 10:57:16 · answer #6 · answered by UNIQUE 3 · 0⤊ 0⤋