Question

5(3x+y)^2 +6(3x +y) - 8

Answer 1

Answer:

(a+2)(5a-4)

Step-by-step explanation:

let (3x+y)=a

therefore 5a*a+6a-8

middle term factorisation

5a*a+10a-4a-8

5a(a+2)-4(a+2)

=(5a-4)(a+2)