Question

Answer to this equation 5x^2+2=7

Answer 1

x= 1 and x= -1

Explanation:

`5x^(2) +2=7`

(subtract 2 from both sides)

`5x^(2) =5`

(divide by 5 from both sides)

`x^(2) =1`

(take the square root from both sides)

x=±√1

so,

x= 1

and

x= -1

Answer 2

x=1

Explanation: