Factorise (5a²-25a+20)÷(a-1) class 8

asked Nov 6, 2022 165k views

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(5a²-25a+20) ÷ (a-1)

= 5(a²-5a+4) ÷ (a-1)

= 5(a-1)(a-4) ÷ (a-1)

= 5(a-1)(a-4) / (a-1)

{ (a-1) is crossed out }

= 5(a-4)

Hope it helps!

Aogan answered Nov 7, 2022

by Aogan

5.2k points

6 votes

Answer:

5(a-4)

Explanation:

$((5a^(2) -25a+20))/( (a-1))\\=(5(a^(2) -5a+4))/( (a-1))\\\\=(5(a-1)(a-4))/( (a-1))\\=5(a-4)$

HannaY answered Nov 12, 2022

5.4k points

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