5x^2+6x-5=

Simple and best practice solution for 5x^2+6x-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 5x^2+6x-5= equation:


Simplifying
5x2 + 6x + -5 = 0

Reorder the terms:
-5 + 6x + 5x2 = 0

Solving
-5 + 6x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-1 + 1.2x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 1.2x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + 1.2x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1.2x + x2 = 0 + 1
1.2x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
1.2x + x2 = 1

The x term is 1.2x.  Take half its coefficient (0.6).
Square it (0.36) and add it to both sides.

Add '0.36' to each side of the equation.
1.2x + 0.36 + x2 = 1 + 0.36

Reorder the terms:
0.36 + 1.2x + x2 = 1 + 0.36

Combine like terms: 1 + 0.36 = 1.36
0.36 + 1.2x + x2 = 1.36

Factor a perfect square on the left side:
(x + 0.6)(x + 0.6) = 1.36

Calculate the square root of the right side: 1.166190379

Break this problem into two subproblems by setting 
(x + 0.6) equal to 1.166190379 and -1.166190379.

Subproblem 1

x + 0.6 = 1.166190379 Simplifying x + 0.6 = 1.166190379 Reorder the terms: 0.6 + x = 1.166190379 Solving 0.6 + x = 1.166190379 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = 1.166190379 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = 1.166190379 + -0.6 x = 1.166190379 + -0.6 Combine like terms: 1.166190379 + -0.6 = 0.566190379 x = 0.566190379 Simplifying x = 0.566190379

Subproblem 2

x + 0.6 = -1.166190379 Simplifying x + 0.6 = -1.166190379 Reorder the terms: 0.6 + x = -1.166190379 Solving 0.6 + x = -1.166190379 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = -1.166190379 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = -1.166190379 + -0.6 x = -1.166190379 + -0.6 Combine like terms: -1.166190379 + -0.6 = -1.766190379 x = -1.766190379 Simplifying x = -1.766190379

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.566190379, -1.766190379}

See similar equations:

| 7x+4y=12 | | 3w^2+26w+48=0 | | 13x^2-x+c=c | | 2(2z-4)=3(z+2) | | 13x^2-x+c=0 | | 2(3+5x)-5=21 | | 4y+3=0 | | -4(-4w+u)+(3u+6w)= | | I=(200)(0.12)(2) | | (-2m)+(-m)= | | 5x+2+3x+32=180 | | p=2(85)+2(138) | | (-2y)+(-3y)= | | 5p+9=17+4p | | (17x)+(-3x)= | | -3t+6=21 | | x-8.8=-4.3 | | 9x+4x+4+8=8x+3+4x | | 2(16n+3)=-12 | | 10x+5(6)=0 | | (5x)(14x)+7=0 | | m(5-x)=2-y | | 3(x-5)=-12 | | a(c-5)+s(c-5)=0 | | g=3g+3u | | 20a^2-23ab+6b^2=0 | | 5(6z-1)-3(z+3)=11(z+1) | | 9x-(4x-5)-(-6x+1)= | | 22=0 | | 11x-77=0 | | 3x^2-25x+42=0 | | 275m^2+396n^2=0 |

Equations solver categories