How do you factor 9t^3 + 9?

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How do you factor 9t^3 + 9?

2007-11-29 09:18:30 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

3 answers

9 (t³+1) = 9 (t+1) (t²-t+1)

2007-11-29 09:27:11 · answer #1 · answered by GusBsAs 6 · 0⤊ 0⤋

=9(t+1)(t^2-t+1)

2007-11-29 17:27:13 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋

factor out the GCF which is 9
and you will have
9( t^3 + 1)
look at the formula to factor the sum of two cubes..... a^3 + b^3 = (a+b)(a^2 - ab + b^2)
so t is a and 1 is b and you get
9(t + 1)(t^2 - 1t + 1)
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2007-11-29 17:25:56 · answer #3 · answered by ssssh 5 · 0⤊ 0⤋