F(0)=x^2+4x-6

Simple and best practice solution for F(0)=x^2+4x-6 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 F(0)=x^2+4x-6 equation:


Simplifying
F(0) = x2 + 4x + -6

Reorder the terms for easier multiplication:
0F = x2 + 4x + -6

Anything times zero is zero.
0F = x2 + 4x + -6

Reorder the terms:
0 = -6 + 4x + x2

Solving
0 = -6 + 4x + x2

Solving for variable 'x'.

Combine like terms: 0 + 6 = 6
6 + -4x + -1x2 = -6 + 4x + x2 + 6 + -4x + -1x2

Reorder the terms:
6 + -4x + -1x2 = -6 + 6 + 4x + -4x + x2 + -1x2

Combine like terms: -6 + 6 = 0
6 + -4x + -1x2 = 0 + 4x + -4x + x2 + -1x2
6 + -4x + -1x2 = 4x + -4x + x2 + -1x2

Combine like terms: 4x + -4x = 0
6 + -4x + -1x2 = 0 + x2 + -1x2
6 + -4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
6 + -4x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-6 + 4x + x2 = 0

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 4x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 4x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 4x + x2 = 0 + 6
4x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
4x + x2 = 6

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 6 + 4

Reorder the terms:
4 + 4x + x2 = 6 + 4

Combine like terms: 6 + 4 = 10
4 + 4x + x2 = 10

Factor a perfect square on the left side:
(x + 2)(x + 2) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(x + 2) equal to 3.16227766 and -3.16227766.

Subproblem 1

x + 2 = 3.16227766 Simplifying x + 2 = 3.16227766 Reorder the terms: 2 + x = 3.16227766 Solving 2 + x = 3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 3.16227766 + -2 Combine like terms: 2 + -2 = 0 0 + x = 3.16227766 + -2 x = 3.16227766 + -2 Combine like terms: 3.16227766 + -2 = 1.16227766 x = 1.16227766 Simplifying x = 1.16227766

Subproblem 2

x + 2 = -3.16227766 Simplifying x + 2 = -3.16227766 Reorder the terms: 2 + x = -3.16227766 Solving 2 + x = -3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -3.16227766 + -2 Combine like terms: 2 + -2 = 0 0 + x = -3.16227766 + -2 x = -3.16227766 + -2 Combine like terms: -3.16227766 + -2 = -5.16227766 x = -5.16227766 Simplifying x = -5.16227766

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.16227766, -5.16227766}

See similar equations:

| 7y+6=3y+10 | | x^2-24x-15=0 | | 3n+9=9-3n | | -5+4p=5(p+2) | | -2x+15=11+2x | | -4X-6=300 | | x^2-6x+y^2+4y+13=0 | | -15+7h=30-2h | | log(x)=2.9 | | x^2(1-x^2)=0.5 | | pi*r^2+10*pi*r=96*pi | | 5a-4=-2a+10 | | P^2=144 | | -4p+17=p+12 | | (1.5x^4)/12=0 | | x(1.5x^3)=0 | | 3e-19=-2e(e+2) | | 6n+19=79 | | x(3x^3)=0 | | 8n+16=88 | | H=40-16t | | 2x(3x^3)=0 | | y-15+3y=8y-6+y | | 0.25=3/k | | 0.15734=-0.138ln(x)+0.2002 | | y=-2x+0.5 | | X^2+4x+4y^2+2y=-1 | | y=-0.138ln(x)+0.2002 | | 2t=t | | -5p-6=-6 | | 2x(3x)(x)=0 | | 29.75+.15m=19.95+.29m |

Equations solver categories