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3(2+3)+8(-2)=

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Answer to a math question 3(2+3)+8(-2)=

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$=5$ $=15+8(-2)$

$=15-16$

$=3\cdot 5+8(-2)$ $=15-16$

$=-1$

$=15+8(-2)$ $=-1$

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(3b)⋅(5b^2)⋅(6b^3)