Question

I don't understand the last question I asked. Someone help me? I don't know the square roots.

Answer 1

which one post it,please.

Answer 2

just remember quadratic formula if u find hard factoring

Answer 3

solutions to 4x^2-12x+9=5?

Answer 4

just use quadratic eq

Answer 5

4(x^2 - 3x + 1)

Answer 6

it'll have irrational roots

Answer 7

Yes I know they are

Answer 8

4x^2-12x+4=0
-b+-\[\sqrt{b^2-4ac}/2a\]

Answer 9

4x^2 -12x +9 = 5 ; -9

4x^2 -12x = -4 ; /4

x^2 -3x = -1 ; +(3/2)^2

x^2 -3x +(3/2)^2 = -1 +(3/2)^2 ; compact the left side

(x-3/2)^2 = -1 +(9/4) ; sqrt the sides

x - (3/2) = +- sqrt(5/4) ; +(3/2)

x = (3/2) +- sqrt(5)/2
\[x = \frac{3 \pm \sqrt{5}}{2}\]

Answer 10

THANK YOU SO VERY MUCH!

Answer 11

youre welcome :) there are a few ways to get to the same answer; but I like to spice it up every now and again...