SOLUTION: Simplify..Assume that no deminator is equal to zero. (-2x4)3 (-4x2y6)3. I have 512x12y9 but my teacher said it was wrong..and crossed out the 9 behind the y.

Algebra.Com
Question 84252: Simplify..Assume that no deminator is equal to zero.
(-2x4)3 (-4x2y6)3.
I have 512x12y9 but my teacher said it was wrong..and crossed out the 9 behind the y.

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
(-2x^4)^3(-4x^2y^6)^3
-2^3=-8
-4^3=-64
-8*-64=512
(x^4)^3=x^12
(x^2)^3=x^6
x^12*x^6=x^18 your x^12 is also incorrect!
(y^6)^3=y^18 powers times powers needs to be multiplied.
512x^18y^18 is the correct answer.

RELATED QUESTIONS

Is basically says to simplify (a^2 B^0 c)^0 My answer for that was abc^2, But than my... (answered by stanbon)
I tried to do 1/( (SQRT2)-3) I multiplyed the numerator and the denominator by... (answered by solver91311)
Given:1 over X is less than or equal to 1 for 1,2 and 3 Conjecture: 1 over X is... (answered by Mathtut)
Please help me solve this equation. {{{lnx + ln(x+1)=2}}}. I tried bringing the foil... (answered by jim_thompson5910)
what part of 3 is 2/3 of 1. I just started middle school and my math teacher asked the... (answered by ptaylor,MathTherapy)
Okay, I have this problem I got wrong on my test but I thought I got it right. (answered by josgarithmetic)
n(x)=3^x m(t)=SQRT(t)+1 find m(n(x)) My solution was SQRT(3^x)+1, teacher... (answered by jsmallt9)
What is -3 to the -4 power? I got 1/+81. My teacher said it was wrong and i don't have... (answered by josgarithmetic)
Please help me solve this equation:{{{ x= sqrt ( x+20 ) }}}. what i have tried is... (answered by richard1234)