q5) Factorise the expression and divide then as directed  

i)

( y ^ 2 + 7 y + 1 0 ) \div ( y + 5 )

Answers (1)

We have,
               \frac{y^{2}+7y+10}{y+5} = \frac{y^{2}+2y +5y +10}{y+5} =\frac{y(y+2)+5(y+2)}{y+5}\\ \\ \Rightarrow \frac{(y+5)(y+2)}{(y+5)} = (y+2)

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