Factories: 3(a – 2b) 2 -5(a – 2b)

Question

Factories: 3(a &#x2013; 2b) 2 -5(a &#x2013; 2b)

Philoid · Accepted Answer

3(a – 2b)² -5(a – 2b)

= (a – 2b) {3(a – 2b) – 5}

= (a – 2b){(3a – 6b) – 5}

= (a – 2b)(3a – 6b – 5)

So,

We get,

3(a – 2b)² -5(a – 2b) = (a – 2b)(3a – 6b – 5)