Question

Solve the equation: 3x^2 + x = -7

Answer 1

first move -7 to the other side and see what you get

Answer 2

3x^2+x+7=0..

Answer 3

(3x ...) (x...)

Answer 4

okay now which two numbers multiply to 21 and add to 1

Answer 5

7 and 3

Answer 6

but they don't add to 1

Answer 7

in this case you might want to use quadratic formula

Answer 8

http://en.wikipedia.org/wiki/Quadratic_equation

Answer 9

All I know is x= -1

Answer 10

But that is not the proper way