Question

the roots of 2x^2 - 8 = 0 are

Answer 1

Answer:

x = 2

Step-by-step explanation:

2x^2 - 8 = 0

moving 8 to R.H.S

2x^2 = 8

Moving 2 to R.H.S

x^2 = 8/2

Dividing by 2

x^2 = 4

square root on both sides

x = 2,-2

since a quadratic equation has two roots and square root can be both positive and negative

is the answer

Answer 2

Answer:

Hope this helps.

Step-by-step explanation:

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