p^2+8p-12=0

Simple and best practice solution for p^2+8p-12=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+8p-12=0 equation:


Simplifying
p2 + 8p + -12 = 0

Reorder the terms:
-12 + 8p + p2 = 0

Solving
-12 + 8p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + 8p + 12 + p2 = 0 + 12

Reorder the terms:
-12 + 12 + 8p + p2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 8p + p2 = 0 + 12
8p + p2 = 0 + 12

Combine like terms: 0 + 12 = 12
8p + p2 = 12

The p term is 8p.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8p + 16 + p2 = 12 + 16

Reorder the terms:
16 + 8p + p2 = 12 + 16

Combine like terms: 12 + 16 = 28
16 + 8p + p2 = 28

Factor a perfect square on the left side:
(p + 4)(p + 4) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(p + 4) equal to 5.291502622 and -5.291502622.

Subproblem 1

p + 4 = 5.291502622 Simplifying p + 4 = 5.291502622 Reorder the terms: 4 + p = 5.291502622 Solving 4 + p = 5.291502622 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + p = 5.291502622 + -4 Combine like terms: 4 + -4 = 0 0 + p = 5.291502622 + -4 p = 5.291502622 + -4 Combine like terms: 5.291502622 + -4 = 1.291502622 p = 1.291502622 Simplifying p = 1.291502622

Subproblem 2

p + 4 = -5.291502622 Simplifying p + 4 = -5.291502622 Reorder the terms: 4 + p = -5.291502622 Solving 4 + p = -5.291502622 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + p = -5.291502622 + -4 Combine like terms: 4 + -4 = 0 0 + p = -5.291502622 + -4 p = -5.291502622 + -4 Combine like terms: -5.291502622 + -4 = -9.291502622 p = -9.291502622 Simplifying p = -9.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.291502622, -9.291502622}

See similar equations:

| 6+8x=2(a-2x) | | 9x+1=6x+49 | | 5x+2x=4x+6 | | 7x+y=60-3x | | 36-5x=6 | | (x-8)(2x-5)= | | X+5=-2x | | -2x+3y=1 | | 7x-6x+9x= | | 7x-4=-2 | | 3x^3+4x^2+6=x | | x-5+2=1 | | -3x-9=4x-2 | | x^4+x^3=16-8x-6x^2 | | -[(3x-(2x+5))]=-4-[3(2x-4)-3x] | | 367544+6545667-64567+765-665+776-566665= | | x^2+25x+13= | | y^2+y=30 | | 4x^2+12x+9=3x^2 | | 3(2x-1)=5x+8 | | 4x+1-7=-3 | | 8y=y+28 | | 6n+0.25n+n=450 | | 6*(y-5)+3y=10-3y | | 3(a-2)=18 | | 4(x+7)=4x+28 | | 6x+3y=6 | | (r+8)(r+8)=r*r+400 | | -x-4=x | | -x*2+x+20=0 | | x^4+6x^2+2=0 | | 3T+10=41 |

Equations solver categories