p^2-2=-2p

Simple and best practice solution for p^2-2=-2p 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^2-2=-2p equation:


Simplifying
p2 + -2 = -2p

Reorder the terms:
-2 + p2 = -2p

Solving
-2 + p2 = -2p

Solving for variable 'p'.

Reorder the terms:
-2 + 2p + p2 = -2p + 2p

Combine like terms: -2p + 2p = 0
-2 + 2p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 2p + 2 + p2 = 0 + 2

Reorder the terms:
-2 + 2 + 2p + p2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 2p + p2 = 0 + 2
2p + p2 = 0 + 2

Combine like terms: 0 + 2 = 2
2p + p2 = 2

The p term is 2p.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2p + 1 + p2 = 2 + 1

Reorder the terms:
1 + 2p + p2 = 2 + 1

Combine like terms: 2 + 1 = 3
1 + 2p + p2 = 3

Factor a perfect square on the left side:
(p + 1)(p + 1) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(p + 1) equal to 1.732050808 and -1.732050808.

Subproblem 1

p + 1 = 1.732050808 Simplifying p + 1 = 1.732050808 Reorder the terms: 1 + p = 1.732050808 Solving 1 + p = 1.732050808 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + p = 1.732050808 + -1 Combine like terms: 1 + -1 = 0 0 + p = 1.732050808 + -1 p = 1.732050808 + -1 Combine like terms: 1.732050808 + -1 = 0.732050808 p = 0.732050808 Simplifying p = 0.732050808

Subproblem 2

p + 1 = -1.732050808 Simplifying p + 1 = -1.732050808 Reorder the terms: 1 + p = -1.732050808 Solving 1 + p = -1.732050808 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + p = -1.732050808 + -1 Combine like terms: 1 + -1 = 0 0 + p = -1.732050808 + -1 p = -1.732050808 + -1 Combine like terms: -1.732050808 + -1 = -2.732050808 p = -2.732050808 Simplifying p = -2.732050808

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.732050808, -2.732050808}

See similar equations:

| y-0=0.125(x+8) | | y-6=-1(x-5) | | x^3=0.35 | | (sqrt(4x+1))-(sqrt(2x-3))=8 | | x-0.05x=46.3 | | 22x-27=12x-17 | | x+1=12-2x | | x-.05x=47 | | x+.05x=47 | | ax-(a^2-2)=x(2a-1) | | y-5=9(x+5) | | 4x^2×(1/5x-x^2-1/9x^3-x^4) | | .3-.4(6y-1)+3y=1.2y-1.4(2x-1) | | 4cos^2x+23cosx+19=0 | | 6x-6x=24 | | F(x)=8x^3 | | y+6=-.5(x+1) | | 70/4 | | 5(2x-3)+9=6-3(2x-4) | | y-1=-.2(x+5) | | 2a+17=3 | | 7x=7-4(2x+3) | | y-0=.333(x+3) | | y+9=-2(x-3) | | 4x-7=77 | | y+9=0.875(x-7) | | (8x+6)=14 | | 4s-13=2s+9 | | 2+12x=9+3(4x-1) | | 10+0.07(x)=x | | 700-35d=450+15d | | 160=4c |

Equations solver categories