Question

Solve the quadratic equation. x^2 - 4x - 3 = 0

Answer 1

(x-4)x=3
x^2=4x+3
(x-2)^2-7=0
x=2
x=2

Answer 2

kumar that is wrong.

Answer 3

How is that wrong

Answer 4

since you cant factor that trinomial, youll have to plug it into the quadratic equation.

Answer 5

I think I am right.

Answer 6

the answer is 2\[\pm \sqrt{7}\]

Answer 7

2 plus/minus root 7

Answer 8

x=2+ sqroot 7

Answer 9

which one should i pick??? (A) 2+- sq rt 7 (B) 4+-2 SQ RT 7 (c) 2+- sq rt 7 over 2
(D) 2+- SQ RT 28 OVER 2

Answer 10

A.

Answer 11

kumar, anytime you take the square root of both sides of the equation the answer will be +/-.

Answer 12

thax

Answer 13

sq rt x-3 then outside the sq rt box is +6=2

Answer 14

\[\sqrt{x-3} +6=2\]