x^2+3=4x+5

Simple and best practice solution for x^2+3=4x+5 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 x^2+3=4x+5 equation:


Simplifying
x2 + 3 = 4x + 5

Reorder the terms:
3 + x2 = 4x + 5

Reorder the terms:
3 + x2 = 5 + 4x

Solving
3 + x2 = 5 + 4x

Solving for variable 'x'.

Reorder the terms:
3 + -5 + -4x + x2 = 5 + 4x + -5 + -4x

Combine like terms: 3 + -5 = -2
-2 + -4x + x2 = 5 + 4x + -5 + -4x

Reorder the terms:
-2 + -4x + x2 = 5 + -5 + 4x + -4x

Combine like terms: 5 + -5 = 0
-2 + -4x + x2 = 0 + 4x + -4x
-2 + -4x + x2 = 4x + -4x

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

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -4x + 2 + x2 = 0 + 2

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

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

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

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 = 2 + 4

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

Combine like terms: 2 + 4 = 6
4 + -4x + x2 = 6

Factor a perfect square on the left side:
(x + -2)(x + -2) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(x + -2) equal to 2.449489743 and -2.449489743.

Subproblem 1

x + -2 = 2.449489743 Simplifying x + -2 = 2.449489743 Reorder the terms: -2 + x = 2.449489743 Solving -2 + x = 2.449489743 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 = 2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.449489743 + 2 x = 2.449489743 + 2 Combine like terms: 2.449489743 + 2 = 4.449489743 x = 4.449489743 Simplifying x = 4.449489743

Subproblem 2

x + -2 = -2.449489743 Simplifying x + -2 = -2.449489743 Reorder the terms: -2 + x = -2.449489743 Solving -2 + x = -2.449489743 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 = -2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.449489743 + 2 x = -2.449489743 + 2 Combine like terms: -2.449489743 + 2 = -0.449489743 x = -0.449489743 Simplifying x = -0.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.449489743, -0.449489743}

See similar equations:

| 4x^2+2x-12=0 | | (x-1)(x^3-4x^2-5x)=0 | | (4x-10)(2x+3)= | | 54-10(7)=-124 | | 54-10y=-124 | | 12=5b-8 | | -14-4(-3)=-2 | | 2(-7)-4(3)=-2 | | 9(-2)-3(3)=-27 | | 9(-2)-3(-5)=-27 | | 9(-2)-3(5)=27 | | 9(-2)-3(3)=27 | | 3(2x-1)-5(x-4)= | | 6c-2c=12 | | 8x+8=4x | | 4x+8=6x | | 3(2x+3)-2=3 | | y=8(1.125)-5 | | y=5(.4)-8 | | 9-2y=-3 | | 9-4y=-7 | | 14-5y=-26 | | 10-2y=6 | | 9-4y=-15 | | 6x+2=4x | | 7-4y=-5 | | 2x^3-17x^2+20x+15=0 | | 11-x=3x | | 44-x^2=x^2 | | 0=5(.8)-4 | | -2=2(0)-1 | | 7x-2-3x=7+4x |

Equations solver categories