Question

I got 5 or 25 but that is not an option

Answer 1

4x^2 -100 = 0

4x^2 = 100 divide both sides by 4 what will get ?

Answer 2

25

Answer 3

or using the formula of difference of squares

a^2 -b^2 = (a-b)(a+b)

Answer 4

yes 25
x^2 = 25

x_1,2 = +/- sqrt25 = ?

Answer 5

5

Answer 6

-25

Answer 7

+/- 5

Answer 8

bc. 25 = 5*5 or (-5)(-5)

yes ?

Answer 9

yes

Answer 10

but the only options are -25 and 25

Answer 11

options:
x = 5 or -5
x = 5
x = -5
x = 25 or -25

Answer 12

4x^2 -100 = 0
4x^2 = 100
x^2 = 25

x_1,2 = +/- sqrt25

x_1,2 = +/- 5

Answer 13

ok ?

Answer 14

@Laylalyssa

Answer 15

ok thank you

Answer 16

Oh ok

Answer 17

np

yw