q5) Factorise the expression and divide then as directed  

iii)

( 5 p^2 -25p + 20 ) \div ( p-1 )

Answers (1)

We have,
           \frac{5p^{2}-25p+20}{p-1} = \frac{5p^{2} -5p -20p +20}{p-1} = \frac{5p(p-1)-20(p-1)}{p-1}\\ \\ \frac{(5p-20)(p-1)}{p-1} = 5p-20

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