Question

Solve the following :-

( 3x + 5 )² .........

Answer 1

HEYA. MATE

ANSWER IN ATTACHEMENT

Answer 2

=(3x + 5)^2

By using Identity

(x + y)^2 = x^2 + y^2 + 2xy

= (3x)^2 + (5)^2 + 2 × 3x × 5

= 9x^2 + 25 + 30x

By Splitting middle term

= 9x^2 + 30x + 25

= 9x^2 + 15x + 15x + 25

= 3x (3x + 5) + 5 ( 3x + 5)

= (3x + 5) (3x + 5)

= x = -5/3 or -5/3