Super Easy Math Question

posted by .

3x^2-12x+11=0

Solve for x.

• Super Easy Math Question -

Ummmmmmmm. How is that easy??????????

• Super Easy Math Question -

It's only easy if you know the quadratic formula:

x = [12 ± √(144-132)]/6
= (12 ± √12)/6
= 2 ± √3/3
= 1.423 or 2.577

• Super Easy Math Question -

Answer in the book is 6±√3/3

I was able to get to (12 ± √12)/6 but I couldn't figure out how you got the rest.

• Super Easy Math Question -

4x+y=12
6x+8y=8

Similar Questions

1. calc

What is dy/dx of y=12/12X-y^3 ???? Any idea anyone?
2. math, drbob222

For this problem is it only asking for the exprssion(formula). Or do they want me to solve it. (1) A triangle has sides 3x+7,4x-9,and 5x+6. Find the expression that represents its perimeter. My answer:P=a+b+c I think the question is …
3. algebra2

1/3 - 5/6 = 1/X SOLVE 1/3 - 5/6 = 1/X Let's remove the denominators by multiplying by 12X 12X*(1/3) - 12X*(5/6) = 12X*(1/X) Clear the fractions. 4X - 10X = 12 -6X=12 multipy by -1 6X=-12 Divide both sides by 6 6X/6 = -12/6 X = -2 Check …
4. math

how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong?
5. Super Easy Science - SUPER SIMPLE QUESTION!!!!!

how do I do i stay focused while writing a report?
6. trig

I have heard that trig CAN be super easy, that there are just, like, 10 rules you need to memorize then all the problems are easy. ... Does anyone know what these are?
7. super quick easy question

does anyone know of a website translating english to shakespearean language?