Question

Solve the equation using the quadratic formula. 2x2 = -12x - 3. plz help

Answer 1

start by moving everything to left side

Answer 2

\(2x^2 = -12x -3\)

Answer 3

\(2x^2 + 12x +3 = 0\)

Answer 4

compare it wid standard quadratic equation :
\(\large ax^2 + bx+c = 0\)

Answer 5

\(a = 2\)
\(b = 12\)
\(c = 3\)

Answer 6

plug them in quadratic formula :

\(\large x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}\)

Answer 7

\(\large x = \frac{-12 \pm \sqrt{12^2-4(2)(3)}}{2(2)}\)

Answer 8

simplify

Answer 9

ok thanks

Answer 10

np :)

Answer 11

:)

Answer 12

2x2 = -12x - 3
2x2 = 4
-12 ÷ 4 = -3

Answer 13

x=12(−6+30−−√),−12(6+30−−√)