2x^2+4x-94=4

Simple and best practice solution for 2x^2+4x-94=4 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-94=4 equation:


Simplifying
2x2 + 4x + -94 = 4

Reorder the terms:
-94 + 4x + 2x2 = 4

Solving
-94 + 4x + 2x2 = 4

Solving for variable 'x'.

Reorder the terms:
-94 + -4 + 4x + 2x2 = 4 + -4

Combine like terms: -94 + -4 = -98
-98 + 4x + 2x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-98 + 4x + 2x2 = 0

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:

| x^2+9x-12=-13 | | 60x^2+87x-15= | | 21.3a=30+30 | | (8x+13)+(2x+7)=180 | | 21v-3/3v*v-7/21v-3 | | 6x=-6y+4 | | kx^2-28x=49 | | 3x+18=106 | | Y=23000+6*2 | | .75n+1-.25n=-100 | | a/6-7=3 | | -8n+-12n=100 | | -12w-9=4w^2 | | 10+5+c=5(c-4) | | s+4=c+5-t+y | | 3x+11=106 | | 7x+10=12x-10 | | 483.56*1/3= | | 5(10-3y)-2y=16 | | 2j-6-1/2j=12 | | 12x+1=15x-32 | | 252=(8+x)*(12+x) | | 20a+10=-40 | | (8-8i)^(1/3) | | 6-5x=4-4x | | -25n+7=107 | | 9x+3(x-4)=10(x-5) | | 7(y+3y)= | | Fx=x^3-4x^2+5x-12 | | 6(x-6)=39 | | 0.5x+60=1.3x | | 2x+3=1x+12 |

Equations solver categories