Question

Solve 3x^2 + 7x =4 for x.
How do I solve this?

Answer 1

Hi!

Answer 2

Hi!?

Answer 3

start with
\[3x^2+7x-4\] and then factor if you can, otherwise use the quadratic formula
i bet it factors

Answer 4

gotcha!

Answer 5

i actually should say
\[3x^2+7x-4=0\]

Answer 6

How would i factor this if there is a x and x^2?

Answer 7

it doesn't factor using whole numbers, you need to use the formula

Answer 8

i can show you how if you like

Answer 9

\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] is the formula, put
\[a=3,b=7,c=-4\]