Question

(i) 150 - 6a2
FACTORISE IT​

Answer 1

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Answer 2

The required factories form is $150-6a^2=6(5+a)(5-a)$

Step-by-step explanation:

Given : Expression $150-6a^2$

To find : Factories the expression?

Solution :

First we factories each term,

$150=2\times 3\times 5\times 5$

$6a^2=2\times 3\times a\times a$

The common term is $2\times 3=6$.

To factories take common term out,  

$150-6a^2=6(25-a^2)$

$150-6a^2=6(5^2-a^2)$

$150-6a^2=6(5+a)(5-a)$

Therefore, the required factories form is $150-6a^2=6(5+a)(5-a)$

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