I need help with this problem.
1. -3x³(x² + 3x - 3)
2007-09-27 17:20:00 · 5 answers · asked by AshleyEH 2 in Education & Reference ➔ Homework Help
-3x^3(x^2+3x-3)
first you have to foil it, or in other words, multiply everything inside the parenthesis by -3x^3
so here is the work:
problem: -3x^3(x^2+3x-3)
Step 1: -3x^5-9x^4-9x^3
explaination: you multiply the coeffients and add the powers.
Step Two: 3x^5-x
Explaination: subtract 9x^3 from 9x^4, coeffients cancel out, you add powers together (4+-3=1)
Step Three: -3x^4
Explaination: x has a power of one, so subtract it from the previous power of 5, leaving coeffient the same (powers do not affect them) and there is your answer.
2007-09-27 17:39:21 · answer #1 · answered by Anonymous · 2⤊ 0⤋
Sol:
1-(9x^4+9x^3-9x^2)
taking 3x^2 common we'll get
1-3x^2(3x^2+3x-3)
factoring the bracket
I'm not getting it....... :s
2007-09-28 00:36:42 · answer #2 · answered by v@rd@ 2 · 0⤊ 0⤋
looks like it should be FACTORED, but it's been a few thousand years (grin) since I did algebra back in high school. Those were the days when we rode dinosaurs instead of bikes to school.
2007-09-28 00:31:22 · answer #3 · answered by Mike 7 · 2⤊ 0⤋
lemme see if i can do this!!
-3x^3-(x^2+3x-3)
-3xcubed-xsquared-3x+3
u cant solve it not enough info i think
2007-09-28 00:28:05 · answer #4 · answered by ♥ ♫ lauren ♫ ♥ 5 · 0⤊ 0⤋
what are you suppose to do with it?
2007-09-28 00:27:25 · answer #5 · answered by ? 3 · 0⤊ 0⤋