Question

Using suitable identity find the following products :
(i) (2x + 5 )(2 x + 6 )

Answer 1

4x^2+12x+10x+30

4x^2+32x+30......

Answer 2

Answer:

$(2x + 5)(2x + 6) \\ \\ = 4x ^{2} + 12x + 10x + 30 \\ \\ = 4x ^{2} + 22x + 30 \\ \\ = 2(2x ^{2} + 11x + 15) \\ \\ = 2x ^{2} + 11x + 15$

hope it helps uH ✔