2x^2-7x-2=2

Simple and best practice solution for 2x^2-7x-2=2 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^2-7x-2=2 equation:


Simplifying
2x2 + -7x + -2 = 2

Reorder the terms:
-2 + -7x + 2x2 = 2

Solving
-2 + -7x + 2x2 = 2

Solving for variable 'x'.

Reorder the terms:
-2 + -2 + -7x + 2x2 = 2 + -2

Combine like terms: -2 + -2 = -4
-4 + -7x + 2x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-4 + -7x + 2x2 = 0

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

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

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 = {-0.5, 4}

See similar equations:

| 7n-2n+4-8n= | | 0.8x-4=0.2x+8 | | 11v=-99 | | x^3-21x^2+140x-300=0 | | solvex^3-21x^2+140x-300=0 | | 2s+12*3= | | 0.25x+40=0.35x+45 | | -6(6x+7)=-36x+42 | | 15.5z=-88.5 | | 11x-4=0 | | 15f+2=14 | | 5x-1.48=-30 | | .5y+.75=y+.652 | | 12y=-54 | | 8n+11=139 | | 7=-3n-2 | | s+7*3s= | | 3(-6x+9)=1+10x | | 10y=0.80 | | 0=2x^2-6x-1136 | | (4x+8)=(6x-12) | | -4x+3(5x-6)=-106 | | x^2+5x-110=0 | | -6=3m+9 | | 6+2(x+5)+4x=44 | | -5k-7+k-5=8(2k-7)+5(-4K+5) | | 5x+1.48=-30 | | 4x+2+x+3=90 | | 9x-6y=6 | | y=-6x+-3 | | 2(v-4)-10=2+8v | | 3655=43(P+40) |

Equations solver categories