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Question

Evaluate (y2+7y+10)÷(y+5)

A
2y2
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B
2y+2
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C
y+2
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D
y2
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Solution

The correct option is B y+2
(y2+7y+10)=y2+2y+5y+10
=y(y+2)+5(y+2)=(y+2)(y+5) ...(1)
(y2+7y+10)÷(y+5)
=(y+2)(y+5)y+5 [Using (1)]
=y+2

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