Help
X2+6x-11=0

Question

Help 
X2+6x-11=0

Phantomdex · Answer

What are we doing here?

Phantomdex · Answer

Are we simplifying or something else?

Colorfulblueberry · Answer

Idk this boy did this problem and I wanna know if he did it right

Phantomdex · Answer

Well, what was the previous problem-

Phantomdex · Answer

To get this answer?

Spectrum · Answer

I think we are trying to figure out x

Spectrum · Answer

8x-11=0 for short.

Spectrum · Answer

wait no.

Spectrum · Answer

X squared + 6x - 11 = 0

Spectrum · Answer

it's impossible to get zero without adding another function.

Spectrum · Answer

Wait i did this math wrong, don't listen to me.

RhianaB112 · Answer

Completing the square Subtract 11 from both sides Take half of the $b$ value, square it, and add it to both sides Add 3 to both sides The solution is $x=3\pm 2\sqrt{5}$ Quadratic formula The solution is $x=7.47213595,-1.47213595$

Colorfulblueberry · Answer

@rhianab112 wrote:

Completing the square Subtract 11 from both sides Take half of the $b$ value, square it, and add it to both sides Add 3 to both sides The solution is $x=3\pm 2\sqrt{5}$ Quadratic formula The solution is $x=7.47213595,-1.47213595$

Tt

Colorfulblueberry · Answer

Ty*