4.905x^2-43.05x-44=0

Simple and best practice solution for 4.905x^2-43.05x-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 4.905x^2-43.05x-44=0 equation:


Simplifying
4.905x2 + -43.05x + -44 = 0

Reorder the terms:
-44 + -43.05x + 4.905x2 = 0

Solving
-44 + -43.05x + 4.905x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.905'.
-8.970438328 + -8.77675841x + x2 = 0

Move the constant term to the right:

Add '8.970438328' to each side of the equation.
-8.970438328 + -8.77675841x + 8.970438328 + x2 = 0 + 8.970438328

Reorder the terms:
-8.970438328 + 8.970438328 + -8.77675841x + x2 = 0 + 8.970438328

Combine like terms: -8.970438328 + 8.970438328 = 0.000000000
0.000000000 + -8.77675841x + x2 = 0 + 8.970438328
-8.77675841x + x2 = 0 + 8.970438328

Combine like terms: 0 + 8.970438328 = 8.970438328
-8.77675841x + x2 = 8.970438328

The x term is -8.77675841x.  Take half its coefficient (-4.388379205).
Square it (19.25787205) and add it to both sides.

Add '19.25787205' to each side of the equation.
-8.77675841x + 19.25787205 + x2 = 8.970438328 + 19.25787205

Reorder the terms:
19.25787205 + -8.77675841x + x2 = 8.970438328 + 19.25787205

Combine like terms: 8.970438328 + 19.25787205 = 28.228310378
19.25787205 + -8.77675841x + x2 = 28.228310378

Factor a perfect square on the left side:
(x + -4.388379205)(x + -4.388379205) = 28.228310378

Calculate the square root of the right side: 5.313032127

Break this problem into two subproblems by setting 
(x + -4.388379205) equal to 5.313032127 and -5.313032127.

Subproblem 1

x + -4.388379205 = 5.313032127 Simplifying x + -4.388379205 = 5.313032127 Reorder the terms: -4.388379205 + x = 5.313032127 Solving -4.388379205 + x = 5.313032127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.388379205' to each side of the equation. -4.388379205 + 4.388379205 + x = 5.313032127 + 4.388379205 Combine like terms: -4.388379205 + 4.388379205 = 0.000000000 0.000000000 + x = 5.313032127 + 4.388379205 x = 5.313032127 + 4.388379205 Combine like terms: 5.313032127 + 4.388379205 = 9.701411332 x = 9.701411332 Simplifying x = 9.701411332

Subproblem 2

x + -4.388379205 = -5.313032127 Simplifying x + -4.388379205 = -5.313032127 Reorder the terms: -4.388379205 + x = -5.313032127 Solving -4.388379205 + x = -5.313032127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.388379205' to each side of the equation. -4.388379205 + 4.388379205 + x = -5.313032127 + 4.388379205 Combine like terms: -4.388379205 + 4.388379205 = 0.000000000 0.000000000 + x = -5.313032127 + 4.388379205 x = -5.313032127 + 4.388379205 Combine like terms: -5.313032127 + 4.388379205 = -0.924652922 x = -0.924652922 Simplifying x = -0.924652922

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.701411332, -0.924652922}

See similar equations:

| (x-1)(x+2)(x-2)=y | | 4(x+2)+7=35 | | 17x+11y=14 | | 7y+9=6y-4 | | -3/8,7x | | 4y+2=5y+4 | | 4y-3(y-6)+5=9 | | 9(7+w)=8(w-5) | | 2=.333(10x+9) | | -2/3=x-5/8 | | 12+4n=24+2n | | 5x-10+3x=14-2x-10x+6 | | 2=1/2(3x-10) | | 4x+8-3x=5+7 | | 12x-6+8x=22-9x+7 | | 2x-12+.67x=1.5x+8+1.167x | | 11x-3=15x+29 | | -25+8=-13x-100 | | 2u^2+5u+13=u^2-2u+2 | | -100-5(7x-8)+3x=(-4x-12)5-12x | | y(2x-y+1)dx+x(3x-4y+3)dy=0 | | 30-5(7x-8)+3x=(-4x-12)5-12x | | t^2=-8 | | -3x^2=-3x+14 | | -x+5+2x=-2+7 | | t^2=sqr-8 | | 3y^2+19y+26=0 | | 5(3n-3)=(9n+3)+9 | | ln(x+8)-ln(5)=lnx | | 5(2x-4)-6=10x-26 | | 7x-6=7(x-5) | | 6(x+2)-4(x+3)=2x-3(1-x)+4 |

Equations solver categories