(x+3)(x4-4x2+5)
Show your work and write your simplified expression
2007-07-20 08:00:52 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
(x + 3)(x^4 - 4x^2 + 5) =
x^5 - 4x^3 + 5x + 3x^4 - 12 x^2 + 15 =
x^5 + 3x^4 - 4x^3 - 12x^2 + 5x + 15
No common terms, so this last is in simplest customary form.
2007-07-20 08:12:39 · answer #1 · answered by Don E Knows 6 · 0⤊ 0⤋
(x+3)(x^4-4x^2+5) if this is the eq'n
x^5-4x^3+5x+3x^4-12x^2+15
x^5+3x^4-4x^3-12x^2+5x+15...this is the expanded for of the equation...
you multiply each term...first you multiply x4-4x2+5 by x and then multiply x4-4x2+5 by 3 then add you will get the above answer...
the simplified work ...?
2007-07-20 15:19:56 · answer #2 · answered by CuriousG 3 · 0⤊ 0⤋
(x+3) (x^4 - 4x^2 + 5) (^2 - means raised to)
= x (x^4- 4x^2 + 5) + 3 (x^4 - 4x^2 + 5)
= x^5 - 4x^3 + 5x + 3x^4 - 12x^2 + 15
rearranging the powers in their descending order,
= x^5 + 3x^4 - 4x^3 - 12x^2 + 5x + 15
all the best
2007-07-20 15:15:40 · answer #3 · answered by ritukiran16 3 · 0⤊ 0⤋
The answer is:
x^5 + 3x^4 - 4x³ - 12x² + 5x + 15
You just multiply or distribute (x + 3) to each of the terms of the second equation:
(x + 3) (x^4) will give you ------->>> x^5 + 3x^4
(x + 3) (-4x²) will give you ------->>> -4x³ - 12x²
(x + 3) (5) will give you ---------->>> 5x + 15
2007-07-20 15:21:30 · answer #4 · answered by michaelangelo 2 · 0⤊ 0⤋
(x+3)(x^4-4x^2+5)
x(x^4-4x+5)+3(x^4-4x^2+5)
just open it &simplify,i have shown the right path.
2007-07-20 15:12:41 · answer #5 · answered by MAHAANIM07 4 · 0⤊ 0⤋
x^5 - 4x³ + 5x + 3x^(4) - 12x² + 15
x^5 + 3x^(4) - 4x³ - 12x² + 5x + 15
2007-07-20 18:05:54 · answer #6 · answered by Como 7 · 0⤊ 0⤋