2x^2-5x-11=1

Simple and best practice solution for 2x^2-5x-11=1 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 2x^2-5x-11=1 equation:


Simplifying
2x2 + -5x + -11 = 1

Reorder the terms:
-11 + -5x + 2x2 = 1

Solving
-11 + -5x + 2x2 = 1

Solving for variable 'x'.

Reorder the terms:
-11 + -1 + -5x + 2x2 = 1 + -1

Combine like terms: -11 + -1 = -12
-12 + -5x + 2x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-12 + -5x + 2x2 = 0

Factor a trinomial.
(-3 + -2x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-1.5, 4}

See similar equations:

| (1/3*3/4)/7/8 | | (3/7)/(7/3)*5/6 | | 30x/2 | | n^2+14n+40=0 | | (3/7/7/3)*5/6 | | (8x+3)(x+4)=0 | | (4v+3)(4-v)=0 | | (z+2)(z+4)=0 | | 10+4p=50-4p | | 7n^2z^7/-5n^7z^2 | | 4e-7(e+1)=-e+11 | | (7-u)(3u-2)=0 | | 7/8/5/16 | | 6(4x+5)=3(x+8)+5 | | -4z(z+1)(z-8)=0 | | f(t)=2t-3 | | log(7x+7)=1 | | ln(6)+ln(x-4)=ln(x) | | M-2(3m+1)+5=-5m+3 | | .05(600)=n | | -8y^3/2y | | (2-w)(5w+6)=0 | | 4x-8=-30 | | 5(x+3-2x)=4(x-9) | | y-19=15 | | 21.18x+22.42=63.04x+377 | | 12+y=16 | | 4+y=24 | | 21+y=24 | | 180(7-2)=100 | | y=35x+700 | | -5/8*-5/12 |

Equations solver categories