5x^2=17x+19

Simple and best practice solution for 5x^2=17x+19 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 5x^2=17x+19 equation:


Simplifying
5x2 = 17x + 19

Reorder the terms:
5x2 = 19 + 17x

Solving
5x2 = 19 + 17x

Solving for variable 'x'.

Reorder the terms:
-19 + -17x + 5x2 = 19 + 17x + -19 + -17x

Reorder the terms:
-19 + -17x + 5x2 = 19 + -19 + 17x + -17x

Combine like terms: 19 + -19 = 0
-19 + -17x + 5x2 = 0 + 17x + -17x
-19 + -17x + 5x2 = 17x + -17x

Combine like terms: 17x + -17x = 0
-19 + -17x + 5x2 = 0

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

Divide each side by '5'.
-3.8 + -3.4x + x2 = 0

Move the constant term to the right:

Add '3.8' to each side of the equation.
-3.8 + -3.4x + 3.8 + x2 = 0 + 3.8

Reorder the terms:
-3.8 + 3.8 + -3.4x + x2 = 0 + 3.8

Combine like terms: -3.8 + 3.8 = 0.0
0.0 + -3.4x + x2 = 0 + 3.8
-3.4x + x2 = 0 + 3.8

Combine like terms: 0 + 3.8 = 3.8
-3.4x + x2 = 3.8

The x term is -3.4x.  Take half its coefficient (-1.7).
Square it (2.89) and add it to both sides.

Add '2.89' to each side of the equation.
-3.4x + 2.89 + x2 = 3.8 + 2.89

Reorder the terms:
2.89 + -3.4x + x2 = 3.8 + 2.89

Combine like terms: 3.8 + 2.89 = 6.69
2.89 + -3.4x + x2 = 6.69

Factor a perfect square on the left side:
(x + -1.7)(x + -1.7) = 6.69

Calculate the square root of the right side: 2.586503431

Break this problem into two subproblems by setting 
(x + -1.7) equal to 2.586503431 and -2.586503431.

Subproblem 1

x + -1.7 = 2.586503431 Simplifying x + -1.7 = 2.586503431 Reorder the terms: -1.7 + x = 2.586503431 Solving -1.7 + x = 2.586503431 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = 2.586503431 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = 2.586503431 + 1.7 x = 2.586503431 + 1.7 Combine like terms: 2.586503431 + 1.7 = 4.286503431 x = 4.286503431 Simplifying x = 4.286503431

Subproblem 2

x + -1.7 = -2.586503431 Simplifying x + -1.7 = -2.586503431 Reorder the terms: -1.7 + x = -2.586503431 Solving -1.7 + x = -2.586503431 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = -2.586503431 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = -2.586503431 + 1.7 x = -2.586503431 + 1.7 Combine like terms: -2.586503431 + 1.7 = -0.886503431 x = -0.886503431 Simplifying x = -0.886503431

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.286503431, -0.886503431}

See similar equations:

| 5x^2=a | | 9[3-(3x-7)]+7x=0 | | 4(12+z)-z=(-9) | | 5+7c=61 | | -7.2+3w-5w=-3.5w | | 125=8y^3 | | 27=6w+w^2 | | 9[3-(3x-7)]+7x= | | 0.45u+0.6(4u)-3.5(7u-5.5)=-(20u+22) | | 6x^3+4x^2+8x+10=0 | | 5(4x-2)+8=-1 | | 14r-12-17r+5= | | -7/9v-5/3=-1/6 | | 4x-8y=14 | | -3m=4 | | 2K-2=8 | | 4p+5+8p=11p | | 8x-6=6x+42 | | 2(3x+4)=12 | | 1w=w+15+2w-3w | | 78/8 | | 9x^2+12x=32solve | | 8x-6+3=10x+1 | | A=1000(1+0.045/1)^10 | | a*a-9a-36=0 | | 6x+-4=14 | | 1y=4x+(-2) | | y*y+17y+72=0 | | 24x-12=20x | | 3z^2-17z+10=0 | | 25-2x=-7x | | 27q^5-64p^6= |

Equations solver categories