10x^2+49x-36=0

Simple and best practice solution for 10x^2+49x-36=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 10x^2+49x-36=0 equation:


Simplifying
10x2 + 49x + -36 = 0

Reorder the terms:
-36 + 49x + 10x2 = 0

Solving
-36 + 49x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
-3.6 + 4.9x + x2 = 0

Move the constant term to the right:

Add '3.6' to each side of the equation.
-3.6 + 4.9x + 3.6 + x2 = 0 + 3.6

Reorder the terms:
-3.6 + 3.6 + 4.9x + x2 = 0 + 3.6

Combine like terms: -3.6 + 3.6 = 0.0
0.0 + 4.9x + x2 = 0 + 3.6
4.9x + x2 = 0 + 3.6

Combine like terms: 0 + 3.6 = 3.6
4.9x + x2 = 3.6

The x term is 4.9x.  Take half its coefficient (2.45).
Square it (6.0025) and add it to both sides.

Add '6.0025' to each side of the equation.
4.9x + 6.0025 + x2 = 3.6 + 6.0025

Reorder the terms:
6.0025 + 4.9x + x2 = 3.6 + 6.0025

Combine like terms: 3.6 + 6.0025 = 9.6025
6.0025 + 4.9x + x2 = 9.6025

Factor a perfect square on the left side:
(x + 2.45)(x + 2.45) = 9.6025

Calculate the square root of the right side: 3.098790086

Break this problem into two subproblems by setting 
(x + 2.45) equal to 3.098790086 and -3.098790086.

Subproblem 1

x + 2.45 = 3.098790086 Simplifying x + 2.45 = 3.098790086 Reorder the terms: 2.45 + x = 3.098790086 Solving 2.45 + x = 3.098790086 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.45' to each side of the equation. 2.45 + -2.45 + x = 3.098790086 + -2.45 Combine like terms: 2.45 + -2.45 = 0.00 0.00 + x = 3.098790086 + -2.45 x = 3.098790086 + -2.45 Combine like terms: 3.098790086 + -2.45 = 0.648790086 x = 0.648790086 Simplifying x = 0.648790086

Subproblem 2

x + 2.45 = -3.098790086 Simplifying x + 2.45 = -3.098790086 Reorder the terms: 2.45 + x = -3.098790086 Solving 2.45 + x = -3.098790086 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.45' to each side of the equation. 2.45 + -2.45 + x = -3.098790086 + -2.45 Combine like terms: 2.45 + -2.45 = 0.00 0.00 + x = -3.098790086 + -2.45 x = -3.098790086 + -2.45 Combine like terms: -3.098790086 + -2.45 = -5.548790086 x = -5.548790086 Simplifying x = -5.548790086

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.648790086, -5.548790086}

See similar equations:

| 19x(6x-3)23=123 | | 3x+4=6+16 | | g=2.8 | | x^2+13s+42=0 | | -4(y+4)=-5y | | 4x-8y=24fory | | n-(-8.5)=-2 | | n-9-8.50=-2 | | 4x^2=(7x^2+25) | | 9x*-4x= | | 2cos^2x+cosx=1 | | 0=x^7-x^4+1 | | 26-x=6-24 | | 10x+2x-10=15x-13x+90 | | 3x-17+2x-5+x+40=180 | | .09375x=1 | | 18n=126 | | 8-(-9)=d | | 3(a-1)=35 | | 15-32x+12x^2=0 | | (2x-13)(x-5)=0 | | 3x+x+4=9x-5x+4 | | (6+2x)(5)=10+6x | | (6x+2x)(5)=10+6x | | 2(x+4)-x=42 | | -20-4.6= | | 3(2x+3)=11x+4-5x+5 | | x+3.2=23 | | 1=7-6x | | 4x^2-12xy+9y^2-9= | | 4x+24x-9=7(4x+9) | | 8+6x=8x |

Equations solver categories