Question

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

Answer 1

Answer:

x=1

Step-by-step explanation:

Answer 2

Answer:

x= 1  and x= -1

Step-by-step 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