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Mathematics 20 Online
OpenStudy (stuck-help):

which expression is equevalent to in comments

OpenStudy (stuck-help):

\[3x \left( -4x ^{2}-5x-8 \right)-6\left( x ^{2-5x+7} \right)\] equevalent to

OpenStudy (stuck-help):

A \[12x ^{3-9x ^{2}}+6x-42\] B \[-12x ^{3}+9x ^{2}+6x-42\] C \[-12x ^{3}-54x ^{2}+6x-42\] D \[-27x ^{3}-6x ^{2}+6x-42\]

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