Question

Find x, if √5x-6+√5x+6 = 6

A) -4 B) 0 C) 2 D) 4

Answer 1

Step-by-step explanation:

√5x-6+√5x=0

√5x+√5x=6

2√5x=6

√5x=3

x = 3/√5

now do square both side

x^2 =9/5

x^2 = 1.8

X= √1.8

          .    √1.8