Question

help!
use the quadratic formula to solve
x²+3=-4x

Answer 1

x^2+4x+3 = 0
(x+1) (x+ 3) = 0
then x = -1 or x = -3

Answer 2

no no use quadratic formula to solve @gerryliyana

Answer 3

do you know what the quadratic formula is? or are you asking for that.

Answer 4

i know what it is but i still dont know how 2 get the answer...

Answer 5

set up equation so that you have:

ax^2+bx+c=0

and use a, b and c correctly in your formula

Answer 6

x²+4x+3=0?

Answer 7

so a=?,b=?, and c=?

Answer 8

yess ur all right

Answer 9

smart boy!!

Answer 10

a=o b=4 c=3

Answer 11

nooo

Answer 12

a = 1, b=4, c=3

Answer 13

yes

Answer 14

sorry i wasnt thinking

Answer 15

so now what?

Answer 16

use

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

Answer 17

substitute all parameter, including a, b, and c

Answer 18

to solve x²+4x + 3 =0 you should find the value of x, one way to do this by using formula above ...,

Answer 19

\[x = \frac{ -b \pm \sqrt{b^{2}-4ac} }{ 2a }\]
\[x = \frac{ -4 \pm \sqrt{4^{2}-(4)(1)(3)} }{ 2(1) }\]

Answer 20

ok

Answer 21

Thanks both of you!