SOLUTION: simplify 9x^3+x-2(8x^3-7x)
evaluate -9 divided by 3x-x^2+7 for x = -5
-21/50 divided by 4/9 perform the indicated operation and simplify
Algebra.Com
Question 549937: simplify 9x^3+x-2(8x^3-7x)
evaluate -9 divided by 3x-x^2+7 for x = -5
-21/50 divided by 4/9 perform the indicated operation and simplify
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you started
9x^3+x-2(8x^3-7x)
9x^3+x-2(8x^3)-2(-7x)
9x^3+x-16x^3+14x
-7x^3+15x
So 9x^3+x-2(8x^3-7x) = -7x^3+15x
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