Question

What is the solution of the equation (4x + 3)2 = 18?

* x= 3 and x = -3
2
x=-
uw
and x = 3
2
x= -3+32 and x = -3-3/2
-343 77 and x =
-3-312
x= 3+372 and x = -3+372
-3+372

Answer 1

Explanation:

(4x + 3)2 = 18

8x + 6 = 18

Bringing like terms on one side

8x = 18 - 6

8x = 12

x = 12/8

x = 6/4 = 3/2