x^2+5x+6.25=14.25

Simple and best practice solution for x^2+5x+6.25=14.25 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+5x+6.25=14.25 equation:


Simplifying
x2 + 5x + 6.25 = 14.25

Reorder the terms:
6.25 + 5x + x2 = 14.25

Solving
6.25 + 5x + x2 = 14.25

Solving for variable 'x'.

Reorder the terms:
6.25 + -14.25 + 5x + x2 = 14.25 + -14.25

Combine like terms: 6.25 + -14.25 = -8
-8 + 5x + x2 = 14.25 + -14.25

Combine like terms: 14.25 + -14.25 = 0.00
-8 + 5x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 5x + 8 + x2 = 0.00 + 8

Reorder the terms:
-8 + 8 + 5x + x2 = 0.00 + 8

Combine like terms: -8 + 8 = 0
0 + 5x + x2 = 0.00 + 8
5x + x2 = 0.00 + 8

Combine like terms: 0.00 + 8 = 8
5x + x2 = 8

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 8 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 8 + 6.25

Combine like terms: 8 + 6.25 = 14.25
6.25 + 5x + x2 = 14.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 14.25

Calculate the square root of the right side: 3.774917218

Break this problem into two subproblems by setting 
(x + 2.5) equal to 3.774917218 and -3.774917218.

Subproblem 1

x + 2.5 = 3.774917218 Simplifying x + 2.5 = 3.774917218 Reorder the terms: 2.5 + x = 3.774917218 Solving 2.5 + x = 3.774917218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 3.774917218 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 3.774917218 + -2.5 x = 3.774917218 + -2.5 Combine like terms: 3.774917218 + -2.5 = 1.274917218 x = 1.274917218 Simplifying x = 1.274917218

Subproblem 2

x + 2.5 = -3.774917218 Simplifying x + 2.5 = -3.774917218 Reorder the terms: 2.5 + x = -3.774917218 Solving 2.5 + x = -3.774917218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -3.774917218 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -3.774917218 + -2.5 x = -3.774917218 + -2.5 Combine like terms: -3.774917218 + -2.5 = -6.274917218 x = -6.274917218 Simplifying x = -6.274917218

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.274917218, -6.274917218}

See similar equations:

| .27(5x-2)+.55(4x+7)-1.2=179.61 | | 5x-1=-12 | | ax+2y=0 | | (-10)a-5=135 | | 5-2x/3=8 | | 5(y+4)-3y=-2y | | 12+4-16g= | | -5=-6.7+s | | -5/6=p/30 | | C=28h+40 | | 3(3x-6)-4(3x-6)=-45 | | 3x^4+18x^3+27x^2+162x=0 | | 4/7x5/12 | | ay-cy-ax+cx=0 | | 58=-5.8v | | 4x-33=71+8x | | (24a^3-35b^2)/(16a/14b^3) | | 9p-10p= | | 8(6-2x)-8=0 | | X^2+18xy+77y^2=0 | | 28=(-2)-5x | | 20/84 | | x-2/4-1=x-10/5 | | 24y-16+8y=-4 | | .42(x+3)-.81(2x-5)+.76=26.47 | | P=10+105 | | x^2=8-5x | | 8x5/6 | | -11+s=-7s-8(-s+1) | | 2x+-4=20 | | 5.4x-1.745=0.2(.7x+11) | | -4x+-8x-11=13 |

Equations solver categories