x^2+5.2x-17.25=0

Simple and best practice solution for x^2+5.2x-17.25=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 x^2+5.2x-17.25=0 equation:


Simplifying
x2 + 5.2x + -17.25 = 0

Reorder the terms:
-17.25 + 5.2x + x2 = 0

Solving
-17.25 + 5.2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '17.25' to each side of the equation.
-17.25 + 5.2x + 17.25 + x2 = 0 + 17.25

Reorder the terms:
-17.25 + 17.25 + 5.2x + x2 = 0 + 17.25

Combine like terms: -17.25 + 17.25 = 0.00
0.00 + 5.2x + x2 = 0 + 17.25
5.2x + x2 = 0 + 17.25

Combine like terms: 0 + 17.25 = 17.25
5.2x + x2 = 17.25

The x term is 5.2x.  Take half its coefficient (2.6).
Square it (6.76) and add it to both sides.

Add '6.76' to each side of the equation.
5.2x + 6.76 + x2 = 17.25 + 6.76

Reorder the terms:
6.76 + 5.2x + x2 = 17.25 + 6.76

Combine like terms: 17.25 + 6.76 = 24.01
6.76 + 5.2x + x2 = 24.01

Factor a perfect square on the left side:
(x + 2.6)(x + 2.6) = 24.01

Calculate the square root of the right side: 4.9

Break this problem into two subproblems by setting 
(x + 2.6) equal to 4.9 and -4.9.

Subproblem 1

x + 2.6 = 4.9 Simplifying x + 2.6 = 4.9 Reorder the terms: 2.6 + x = 4.9 Solving 2.6 + x = 4.9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.6' to each side of the equation. 2.6 + -2.6 + x = 4.9 + -2.6 Combine like terms: 2.6 + -2.6 = 0.0 0.0 + x = 4.9 + -2.6 x = 4.9 + -2.6 Combine like terms: 4.9 + -2.6 = 2.3 x = 2.3 Simplifying x = 2.3

Subproblem 2

x + 2.6 = -4.9 Simplifying x + 2.6 = -4.9 Reorder the terms: 2.6 + x = -4.9 Solving 2.6 + x = -4.9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.6' to each side of the equation. 2.6 + -2.6 + x = -4.9 + -2.6 Combine like terms: 2.6 + -2.6 = 0.0 0.0 + x = -4.9 + -2.6 x = -4.9 + -2.6 Combine like terms: -4.9 + -2.6 = -7.5 x = -7.5 Simplifying x = -7.5

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3, -7.5}

See similar equations:

| 9x=4x-2 | | 4.5-.375b=7-b | | 7x-6x+14=13-7 | | M/70=4.5 | | 70(m)=4.5 | | 2x+7y*6=9 | | x^2+9x=43.75 | | x^2+8.8x=16.64 | | 44-3x= | | 2(m-8)=5(m+3)-19 | | -2y+1=-2-3y | | 3x-2x-14=10 | | (3x-8)+(2x+23)=90 | | x^2-28x+196=64 | | x^2+28x+196=9 | | ab(5-x)-12=-8 | | m-n=17 | | x^2+28x+196=144 | | 5x-4x+13=13-8 | | 2x^6+4x^4+16x^3+32x=0 | | x^2-24x+144=144 | | 15d+9=6d+54 | | 5(a+1)=10.5 | | 5x-1=6y | | 9(x-6)=11.7 | | 46.8=9c-9 | | 3e-1=9.2 | | (6x+4)(6x^2+8x+2)= | | 18+k=90 | | 5x-2=5-2x | | 11=3c-7 | | ((3^-1x^-4y^-2)^-2(3x^-4y^2)^-2(81x^-8y^9)^0)/(3x^-4y^-4)^2 |

Equations solver categories