Question

find all real solutions

3x2 + 12x + 4 = 0

Answer 1

factor then solve

Answer 2

(3x+4)(x+1)=0?

Answer 3

since u can not factor then just use the quardratic formula
and canel the not real numbers

Answer 4

http://www.regentsprep.org/Regents/math/algtrig/ATE3/quadformula.htm

that is the quadratic formula

Answer 5

use it and substutite a=3 b=12 and c=4

Answer 6

did u get it?

Answer 7

If you apply the quadratic formula, you will get
\[
\left\{x=\frac{2}{3} \left(-3-\sqrt{6}\right),\quad x=\frac{2}{3}
\left(\sqrt{6}-3\right)\right\}
\]

Answer 8

I didn't get it yet

Answer 9

I got one = -.37 and the other as -3.63

Answer 10

that is right