36x-.8x^2=202.5

Simple and best practice solution for 36x-.8x^2=202.5 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 36x-.8x^2=202.5 equation:


Simplifying
36x + -0.8x2 = 202.5

Solving
36x + -0.8x2 = 202.5

Solving for variable 'x'.

Reorder the terms:
-202.5 + 36x + -0.8x2 = 202.5 + -202.5

Combine like terms: 202.5 + -202.5 = 0.0
-202.5 + 36x + -0.8x2 = 0.0

Begin completing the square.  Divide all terms by
-0.8 the coefficient of the squared term: 

Divide each side by '-0.8'.
253.125 + -45x + x2 = 0

Move the constant term to the right:

Add '-253.125' to each side of the equation.
253.125 + -45x + -253.125 + x2 = 0 + -253.125

Reorder the terms:
253.125 + -253.125 + -45x + x2 = 0 + -253.125

Combine like terms: 253.125 + -253.125 = 0.000
0.000 + -45x + x2 = 0 + -253.125
-45x + x2 = 0 + -253.125

Combine like terms: 0 + -253.125 = -253.125
-45x + x2 = -253.125

The x term is -45x.  Take half its coefficient (-22.5).
Square it (506.25) and add it to both sides.

Add '506.25' to each side of the equation.
-45x + 506.25 + x2 = -253.125 + 506.25

Reorder the terms:
506.25 + -45x + x2 = -253.125 + 506.25

Combine like terms: -253.125 + 506.25 = 253.125
506.25 + -45x + x2 = 253.125

Factor a perfect square on the left side:
(x + -22.5)(x + -22.5) = 253.125

Calculate the square root of the right side: 15.909902577

Break this problem into two subproblems by setting 
(x + -22.5) equal to 15.909902577 and -15.909902577.

Subproblem 1

x + -22.5 = 15.909902577 Simplifying x + -22.5 = 15.909902577 Reorder the terms: -22.5 + x = 15.909902577 Solving -22.5 + x = 15.909902577 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.5' to each side of the equation. -22.5 + 22.5 + x = 15.909902577 + 22.5 Combine like terms: -22.5 + 22.5 = 0.0 0.0 + x = 15.909902577 + 22.5 x = 15.909902577 + 22.5 Combine like terms: 15.909902577 + 22.5 = 38.409902577 x = 38.409902577 Simplifying x = 38.409902577

Subproblem 2

x + -22.5 = -15.909902577 Simplifying x + -22.5 = -15.909902577 Reorder the terms: -22.5 + x = -15.909902577 Solving -22.5 + x = -15.909902577 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.5' to each side of the equation. -22.5 + 22.5 + x = -15.909902577 + 22.5 Combine like terms: -22.5 + 22.5 = 0.0 0.0 + x = -15.909902577 + 22.5 x = -15.909902577 + 22.5 Combine like terms: -15.909902577 + 22.5 = 6.590097423 x = 6.590097423 Simplifying x = 6.590097423

Solution

The solution to the problem is based on the solutions from the subproblems. x = {38.409902577, 6.590097423}

See similar equations:

| x-1.4x-2.4=0.4x+1.2 | | (8t-7)=t+14 | | (-4)(-1)(-7)=x | | (-4)(-1)(-7)= | | 9n+form=6 | | 4(5-x)=-3+x | | 4(5-x)=5:5,15 | | x(13-5)+6=x+2 | | -4(2-y)+3=11 | | 6x^2-x=4xfactoring | | 5y+8=-7y-3(y+4) | | 2(k+7)+(k+3)+k+(k+7)=74 | | .25+.32=12 | | x-3/x-2=x/x+2 | | 12X+11=10X+11 | | 7-4(x-2)= | | x+(x+9)=91 | | k+2(k+7)+(k+3)=74 | | 2(k+7)+(k+3)=74 | | 1/3(2x+2)=1-(11x/3) | | k+(k+-3)+2(k+-7)=74 | | 0.5x-8=2 | | k+(k+3)+2(k-7)=74 | | .72x+3=0.3[2.4x+15] | | -1.5[x-10]+5x=0.25[2x-20]+11 | | 2x^2-19x=-3x^2-5x-9 | | (3x+6)+(x+12)=180 | | k-(k+3)-2(k+-7)=74 | | 0=(3x^2)-3 | | 6x+7=3x+34 | | k+(k+3)+2(k+-7)=74 | | (k+3)+2(k-7)=74 |

Equations solver categories