Question

How do you factor the trinomial `6a^2 - 66a + 168`?

Answer 1

`6(a-4)(a-7)`

Explanation:

`6a^2-66a+168=6(a^2-11a+28)=6(a^2-7a-4a+28)=6(a(a-7)-4(a-7))=6(a-4)(a-7)`[Ans]