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Question

Evaluate 10y(6y+21)÷5(2y+7)

A
36y
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B
6y
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C
y
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D
6
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Solution

The correct option is A 6y
10y(6y+21)÷5(2y+7)=10y(6y+21)5(2y+7)
=5×2×y×3×(2y+7)5×(2y+7)
=2×y×31=6y

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