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Work out the value of y^3+5y when y=2

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Work out the value of y^3+5y when y=2

asked Aug 14, 2015 175k views

4 votes

Work out the value of y^3+5y when y=2

Mathematics
high-school

LucasMation asked

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2 Answers

4 votes

$2^3+5\cdot2=\\ 8+10=\\ 18$

Psygo answered Aug 16, 2015

by Psygo

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5 votes

$substitute\ y=2\\\\y^3+5y\to2^3+5\cdot2=8+10=18\leftarrow solution$

Stackers answered Aug 20, 2015

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