2x^2+7x-44=0

Simple and best practice solution for 2x^2+7x-44=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 2x^2+7x-44=0 equation:


Simplifying
2x2 + 7x + -44 = 0

Reorder the terms:
-44 + 7x + 2x2 = 0

Solving
-44 + 7x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-22 + 3.5x + x2 = 0

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + 3.5x + 22 + x2 = 0 + 22

Reorder the terms:
-22 + 22 + 3.5x + x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 3.5x + x2 = 0 + 22
3.5x + x2 = 0 + 22

Combine like terms: 0 + 22 = 22
3.5x + x2 = 22

The x term is 3.5x.  Take half its coefficient (1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
3.5x + 3.0625 + x2 = 22 + 3.0625

Reorder the terms:
3.0625 + 3.5x + x2 = 22 + 3.0625

Combine like terms: 22 + 3.0625 = 25.0625
3.0625 + 3.5x + x2 = 25.0625

Factor a perfect square on the left side:
(x + 1.75)(x + 1.75) = 25.0625

Calculate the square root of the right side: 5.006246099

Break this problem into two subproblems by setting 
(x + 1.75) equal to 5.006246099 and -5.006246099.

Subproblem 1

x + 1.75 = 5.006246099 Simplifying x + 1.75 = 5.006246099 Reorder the terms: 1.75 + x = 5.006246099 Solving 1.75 + x = 5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.75' to each side of the equation. 1.75 + -1.75 + x = 5.006246099 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + x = 5.006246099 + -1.75 x = 5.006246099 + -1.75 Combine like terms: 5.006246099 + -1.75 = 3.256246099 x = 3.256246099 Simplifying x = 3.256246099

Subproblem 2

x + 1.75 = -5.006246099 Simplifying x + 1.75 = -5.006246099 Reorder the terms: 1.75 + x = -5.006246099 Solving 1.75 + x = -5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.75' to each side of the equation. 1.75 + -1.75 + x = -5.006246099 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + x = -5.006246099 + -1.75 x = -5.006246099 + -1.75 Combine like terms: -5.006246099 + -1.75 = -6.756246099 x = -6.756246099 Simplifying x = -6.756246099

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.256246099, -6.756246099}

See similar equations:

| 19w-19w+4w+5w=18 | | tan(x)=-1/sqrt(3) | | 2x^3-x-6=0 | | 3[7-2(7x-4)]=-40x+45 | | 1x+3=4x+1 | | 14x=12x+11 | | (m+4)-2.1m=6 | | 4c-3c=17 | | 2x^2+3xy+y^2+5x+2y-3=0 | | 3e=2/3 | | (3w^2-8w-5)-(8w^3+3w-3)= | | 10x+5y+.5z=100x+y+z=100 | | 3(x/2-5)=24 | | 15x+-6+15x+4=120 | | 9ab/9a= | | 3x+(8-x)=10 | | (7u^3+7u^2+8)+(8u^3-6u+2)= | | (7u^3+7u^2+8)(8u^3-6u+2)= | | x^2+4b^2= | | 5x-2x=1x+2x | | (243x^10y^25)^1/5 | | 3/4x-1/3y=-1/2 | | -x^2+2x-21=0 | | 34+146=90 | | 2/3x=5/10 | | 7x^2(13x-1)+13x-1=0 | | 4-(-2)(-5)= | | 3+4+4A=B | | y=cos1/2x | | 3+4+4xA=B | | 2x+10=10x-100 | | 4dy+ydx=x^2dy |

Equations solver categories