-8p=4-p^2

Simple and best practice solution for -8p=4-p^2 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 -8p=4-p^2 equation:


Simplifying
-8p = 4 + -1p2

Solving
-8p = 4 + -1p2

Solving for variable 'p'.

Reorder the terms:
-4 + -8p + p2 = 4 + -1p2 + -4 + p2

Reorder the terms:
-4 + -8p + p2 = 4 + -4 + -1p2 + p2

Combine like terms: 4 + -4 = 0
-4 + -8p + p2 = 0 + -1p2 + p2
-4 + -8p + p2 = -1p2 + p2

Combine like terms: -1p2 + p2 = 0
-4 + -8p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -8p + 4 + p2 = 0 + 4

Reorder the terms:
-4 + 4 + -8p + p2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -8p + p2 = 0 + 4
-8p + p2 = 0 + 4

Combine like terms: 0 + 4 = 4
-8p + p2 = 4

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 = 4 + 16

Reorder the terms:
16 + -8p + p2 = 4 + 16

Combine like terms: 4 + 16 = 20
16 + -8p + p2 = 20

Factor a perfect square on the left side:
(p + -4)(p + -4) = 20

Calculate the square root of the right side: 4.472135955

Break this problem into two subproblems by setting 
(p + -4) equal to 4.472135955 and -4.472135955.

Subproblem 1

p + -4 = 4.472135955 Simplifying p + -4 = 4.472135955 Reorder the terms: -4 + p = 4.472135955 Solving -4 + p = 4.472135955 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 = 4.472135955 + 4 Combine like terms: -4 + 4 = 0 0 + p = 4.472135955 + 4 p = 4.472135955 + 4 Combine like terms: 4.472135955 + 4 = 8.472135955 p = 8.472135955 Simplifying p = 8.472135955

Subproblem 2

p + -4 = -4.472135955 Simplifying p + -4 = -4.472135955 Reorder the terms: -4 + p = -4.472135955 Solving -4 + p = -4.472135955 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 = -4.472135955 + 4 Combine like terms: -4 + 4 = 0 0 + p = -4.472135955 + 4 p = -4.472135955 + 4 Combine like terms: -4.472135955 + 4 = -0.472135955 p = -0.472135955 Simplifying p = -0.472135955

Solution

The solution to the problem is based on the solutions from the subproblems. p = {8.472135955, -0.472135955}

See similar equations:

| (6y^-2/(6y)^2)^-2 | | 4.3=29.9-4y | | -19.48+x=-2803 | | c/-3-1=2c | | 15.5=-10.1+8w | | y=16x^2+48x+6 | | 27^10*2/3 | | 4(x+1.38)=3x | | lny=lnx+ln(x+13)+lnC | | (8y-1)+(9y-7)= | | 3(c+4)-7=-10c | | 5x+9y=21 | | 6x+7.16=2x+14 | | 1.1=13.9-2x | | 5w+17=(w+1)(w+7) | | (10-4)+3*4+6= | | 5y(2y+1)=0 | | M=18x+500 | | (10-x)+3X+6= | | (8-x)(-2)=x-5 | | x^2/80 | | z^3-z^2+3z-3=0 | | 6x^2-2x+1=4x^2+x | | -3(2s-4)-12=-3(8s+2)-5 | | 4y=-x+11 | | 3x+6+35=10x+4 | | 3x^2-26x+2=5x^2+1 | | x*x=78 | | 3x^2-26x+2=5x^2+1x | | 5(-2x-7)=4(x-8)+15 | | 16-y^2=10(4+y) | | 85=50(50x+y) |

Equations solver categories