Question

Solve 2x2 = 72.




A.{±18}


B.{±36}


C.{±6}


D.{±8}

Answer 1

@Nnesha

Answer 2

@jagr2713

Answer 3

@paki

Answer 4

@Nnesha

Answer 5

@jagr2713

Answer 6

first solve for x^2 move 2 to the right side

Answer 7

ok

Answer 8

let me know what you get after that

Answer 9

ok hld on

Answer 10

ok so are we moving 2 this way 72*2x?

Answer 11

2 is multiplying with x^2
so to cancel 2 from left side you should divide 2 both sides

Answer 12

1*36

Answer 13

so its B

Answer 14

how ?

Answer 15

x^2 =36
not x

Answer 16

well 2/72=36 then 2/2=1*36=36

Answer 17

yes right so x^2 =36
now to cancel out 2 take square root both sides

Answer 18

that would be 72 square root 36 by 2

Answer 19

nope
72/2 is 36 so then there isn't any 72 to take square root of 72