2x^2+4x-98=0

Simple and best practice solution for 2x^2+4x-98=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 2x^2+4x-98=0 equation:


Simplifying
2x2 + 4x + -98 = 0

Reorder the terms:
-98 + 4x + 2x2 = 0

Solving
-98 + 4x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-49 + 2x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-49 + 2x + x2)' equal to zero and attempt to solve: Simplifying -49 + 2x + x2 = 0 Solving -49 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '49' to each side of the equation. -49 + 2x + 49 + x2 = 0 + 49 Reorder the terms: -49 + 49 + 2x + x2 = 0 + 49 Combine like terms: -49 + 49 = 0 0 + 2x + x2 = 0 + 49 2x + x2 = 0 + 49 Combine like terms: 0 + 49 = 49 2x + x2 = 49 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 49 + 1 Reorder the terms: 1 + 2x + x2 = 49 + 1 Combine like terms: 49 + 1 = 50 1 + 2x + x2 = 50 Factor a perfect square on the left side: (x + 1)(x + 1) = 50 Calculate the square root of the right side: 7.071067812 Break this problem into two subproblems by setting (x + 1) equal to 7.071067812 and -7.071067812.

Subproblem 1

x + 1 = 7.071067812 Simplifying x + 1 = 7.071067812 Reorder the terms: 1 + x = 7.071067812 Solving 1 + x = 7.071067812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 7.071067812 + -1 Combine like terms: 1 + -1 = 0 0 + x = 7.071067812 + -1 x = 7.071067812 + -1 Combine like terms: 7.071067812 + -1 = 6.071067812 x = 6.071067812 Simplifying x = 6.071067812

Subproblem 2

x + 1 = -7.071067812 Simplifying x + 1 = -7.071067812 Reorder the terms: 1 + x = -7.071067812 Solving 1 + x = -7.071067812 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -7.071067812 + -1 Combine like terms: 1 + -1 = 0 0 + x = -7.071067812 + -1 x = -7.071067812 + -1 Combine like terms: -7.071067812 + -1 = -8.071067812 x = -8.071067812 Simplifying x = -8.071067812

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.071067812, -8.071067812}

Solution

x = {6.071067812, -8.071067812}

See similar equations:

| 2x^2+4-98=0 | | 4x+70=1x+10 | | (7x-10)+(2x+10)=180 | | 7x-(5-1x-3)=8x-14-2x | | 4-3(7+2x)/5+18.5=-74.9 | | -5=-56+2x | | 3.4=3.8x | | 5x=8-7x | | 3.4=3.8x-3.2 | | p-(p+15)=6(p-4)+3p | | 25.5=2x+2.75 | | 10x-3(2x+11)=3 | | 4.5n+22=20 | | 1200*45a=1800*60a | | -1z=-17 | | 5=8 | | 8a+3=4a+19 | | 8x+9=6x+8 | | 9(ab)=(9a)b | | 4(2)+17=13 | | 79=-2-3(5n-2) | | 8-y=11 | | 4(2)+17= | | 25x-10=6x+50 | | (9+v)(3v+1)=0 | | -7x-5y=15 | | 61=-3+2(5a+2) | | 8x-6+2x=13-5x | | 4x^2-33x+31=-9x+4 | | 4x-3x+8=2x+7 | | H-543=-8 | | .14x+6=-1 |

Equations solver categories