Question

Solve the following quadratic equation.
3(x + 5)^2 = 60

Answer 1

start by dividing both sides by 3
what u get ?

Answer 2

Well 60/3 is 20... how do you divide the other side by 3?

Answer 3

3*something / 3 = something

Answer 4

1(x+5)^2?

Answer 5

yes
so you now have
\(\Large (x+5)^2 =20\)

take square root on both sides,
what u get ?

Answer 6

(x+2) ^2=4?

Answer 7

where did that come from ? :O

Answer 8

let me give you a hint :
\(\Large if, a^2 =b \\ \Large then, a= b \quad or \quad a=-b \)

Answer 9

if
\((x+5)^2 =20\)
then
???