3x^2-x-784=0

Simple and best practice solution for 3x^2-x-784=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x^2-x-784=0 equation:


Simplifying
3x2 + -1x + -784 = 0

Reorder the terms:
-784 + -1x + 3x2 = 0

Solving
-784 + -1x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-16 + -1x)(49 + -3x) = 0

Subproblem 1

Set the factor '(-16 + -1x)' equal to zero and attempt to solve: Simplifying -16 + -1x = 0 Solving -16 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + -1x = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -1x = 0 + 16 -1x = 0 + 16 Combine like terms: 0 + 16 = 16 -1x = 16 Divide each side by '-1'. x = -16 Simplifying x = -16

Subproblem 2

Set the factor '(49 + -3x)' equal to zero and attempt to solve: Simplifying 49 + -3x = 0 Solving 49 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + -49 + -3x = 0 + -49 Combine like terms: 49 + -49 = 0 0 + -3x = 0 + -49 -3x = 0 + -49 Combine like terms: 0 + -49 = -49 -3x = -49 Divide each side by '-3'. x = 16.33333333 Simplifying x = 16.33333333

Solution

x = {-16, 16.33333333}

See similar equations:

| -4(n+2)=20 | | B*13=8 | | 2/9*5/12 | | 150=18+y | | -5x+25=5x+25 | | 2/9•5/12 | | C=xw+q | | 8(x-2)+6=6(x+3)+x | | 9x-7x=19 | | 4x^2+4y^2+8x+12y-4=0 | | 10/11x=22 | | 4w=12/7 | | 4w/5=12 | | C^2-11c=0 | | C^2=11c | | 11(m-1)=66 | | 42-c-c^2=0 | | 12+(-29)= | | y=-.001x^2+3x-1800 | | 5x-10y+2xy=50 | | x^2+y^2-4x-4y=0 | | Cos(6x-2x/2) | | x^2+y^2-4x-4x=0 | | 1/4.1/2=4d | | 8x+22=-5(x-7) | | 0.66+0.11t=2.36t-0.69 | | t=4/5.20 | | 6y-9y-36=18y+5 | | (X-1)2=16 | | m=3/8.4 | | 8c-13+3c=12+5c-7 | | 4a+b=55 |

Equations solver categories