p^2-100p+200=0

Simple and best practice solution for p^2-100p+200=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 p^2-100p+200=0 equation:


Simplifying
p2 + -100p + 200 = 0

Reorder the terms:
200 + -100p + p2 = 0

Solving
200 + -100p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '-200' to each side of the equation.
200 + -100p + -200 + p2 = 0 + -200

Reorder the terms:
200 + -200 + -100p + p2 = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -100p + p2 = 0 + -200
-100p + p2 = 0 + -200

Combine like terms: 0 + -200 = -200
-100p + p2 = -200

The p term is -100p.  Take half its coefficient (-50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
-100p + 2500 + p2 = -200 + 2500

Reorder the terms:
2500 + -100p + p2 = -200 + 2500

Combine like terms: -200 + 2500 = 2300
2500 + -100p + p2 = 2300

Factor a perfect square on the left side:
(p + -50)(p + -50) = 2300

Calculate the square root of the right side: 47.958315233

Break this problem into two subproblems by setting 
(p + -50) equal to 47.958315233 and -47.958315233.

Subproblem 1

p + -50 = 47.958315233 Simplifying p + -50 = 47.958315233 Reorder the terms: -50 + p = 47.958315233 Solving -50 + p = 47.958315233 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + p = 47.958315233 + 50 Combine like terms: -50 + 50 = 0 0 + p = 47.958315233 + 50 p = 47.958315233 + 50 Combine like terms: 47.958315233 + 50 = 97.958315233 p = 97.958315233 Simplifying p = 97.958315233

Subproblem 2

p + -50 = -47.958315233 Simplifying p + -50 = -47.958315233 Reorder the terms: -50 + p = -47.958315233 Solving -50 + p = -47.958315233 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + p = -47.958315233 + 50 Combine like terms: -50 + 50 = 0 0 + p = -47.958315233 + 50 p = -47.958315233 + 50 Combine like terms: -47.958315233 + 50 = 2.041684767 p = 2.041684767 Simplifying p = 2.041684767

Solution

The solution to the problem is based on the solutions from the subproblems. p = {97.958315233, 2.041684767}

See similar equations:

| 3p+9q+15r= | | -1x+6=14 | | -2x+21+5x+10=-5 | | -8(9+2v)=-21 | | 0.2x=1.2x+4 | | 5x+10y=1070 | | x(x^2+16)-24=0 | | y-120=9.5(x-0) | | x(x^2+6)-24=0 | | 6x=9-3(-2x+3) | | 6-2x+y=188 | | 6-2x+x=188 | | 3x^2+(3-2)x-2=0 | | 2(x+3)-4(x-2)=12 | | Y-120=9.5(X+0) | | 0.5x+7=20 | | 75/100=x/70 | | 13x-236=3x-6 | | -(x-8)+x=2(x+4)+x | | y-96=-3(x+32) | | 14x+4x-10=26 | | 7x=4y-6 | | 2x^2/(1-x)^2=360 | | 12=4u | | 4x+2x-5=22 | | 2x+6=188 | | 2x+5-6x-4=17 | | 6-2x=188 | | x^2+y^2+10xy+2x^2y^2=0 | | 6x+7y+5z=20 | | 2x-6=188 | | -26=9s-2s |

Equations solver categories