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Question
Work out the following division:
10y(6y + 21) ÷ 5(2y + 7)
Solution
10y(6y + 21) ÷ 5(2y + 7)
= `(10 y (6y + 21))/(5(2y + 7))`
= `(2 xx 5 xx y xx 3(2y + 7))/(5(2y + 7))`
= 2 × 3 × y
= 6y
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