p^2(p^2-4)=3p^2+-8

Simple and best practice solution for p^2(p^2-4)=3p^2+-8 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(p^2-4)=3p^2+-8 equation:


Simplifying
p2(p2 + -4) = 3p2 + -8

Reorder the terms:
p2(-4 + p2) = 3p2 + -8
(-4 * p2 + p2 * p2) = 3p2 + -8
(-4p2 + p4) = 3p2 + -8

Reorder the terms:
-4p2 + p4 = -8 + 3p2

Solving
-4p2 + p4 = -8 + 3p2

Solving for variable 'p'.

Reorder the terms:
8 + -4p2 + -3p2 + p4 = -8 + 3p2 + 8 + -3p2

Combine like terms: -4p2 + -3p2 = -7p2
8 + -7p2 + p4 = -8 + 3p2 + 8 + -3p2

Reorder the terms:
8 + -7p2 + p4 = -8 + 8 + 3p2 + -3p2

Combine like terms: -8 + 8 = 0
8 + -7p2 + p4 = 0 + 3p2 + -3p2
8 + -7p2 + p4 = 3p2 + -3p2

Combine like terms: 3p2 + -3p2 = 0
8 + -7p2 + p4 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -7p2 + -8 + p4 = 0 + -8

Reorder the terms:
8 + -8 + -7p2 + p4 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -7p2 + p4 = 0 + -8
-7p2 + p4 = 0 + -8

Combine like terms: 0 + -8 = -8
-7p2 + p4 = -8

The p term is -7p2.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7p2 + 12.25 + p4 = -8 + 12.25

Reorder the terms:
12.25 + -7p2 + p4 = -8 + 12.25

Combine like terms: -8 + 12.25 = 4.25
12.25 + -7p2 + p4 = 4.25

Factor a perfect square on the left side:
(p2 + -3.5)(p2 + -3.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(p2 + -3.5) equal to 2.061552813 and -2.061552813.

Subproblem 1

p2 + -3.5 = 2.061552813 Simplifying p2 + -3.5 = 2.061552813 Reorder the terms: -3.5 + p2 = 2.061552813 Solving -3.5 + p2 = 2.061552813 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + p2 = 2.061552813 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + p2 = 2.061552813 + 3.5 p2 = 2.061552813 + 3.5 Combine like terms: 2.061552813 + 3.5 = 5.561552813 p2 = 5.561552813 Simplifying p2 = 5.561552813 Take the square root of each side: p = {-2.358294471, 2.358294471}

Subproblem 2

p2 + -3.5 = -2.061552813 Simplifying p2 + -3.5 = -2.061552813 Reorder the terms: -3.5 + p2 = -2.061552813 Solving -3.5 + p2 = -2.061552813 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + p2 = -2.061552813 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + p2 = -2.061552813 + 3.5 p2 = -2.061552813 + 3.5 Combine like terms: -2.061552813 + 3.5 = 1.438447187 p2 = 1.438447187 Simplifying p2 = 1.438447187 Take the square root of each side: p = {-1.19935282, 1.19935282}

Solution

The solution to the problem is based on the solutions from the subproblems. p = {-2.358294471, 2.358294471, -1.19935282, 1.19935282}

See similar equations:

| 3*4x=35+5x | | 9w=5670 | | p^2(p^2-4)=3p^2-8 | | -16x^2+105x-34= | | 2*4x+4=28 | | -16x^2-105x-34= | | (5x-15)(2-x)=0 | | 10-4x=x-16-3x | | 9x+3=5x+3 | | 12=3-5k | | 9x-6x+3=7x-2x | | 2(3-x)=3(x+15) | | 21=5+33t-16t^2 | | 5x-9=2x+14 | | 800=.4x | | x^2+5y^2-4xy+6y+10=1 | | x^3-x^2-4x+24=0 | | 5x-3(4x-1)=7-2(7x+2) | | (-3x+1+3)(-3x+1-3)=0 | | 4(3x+5)-5(4x-3)=3 | | p=16w+w+12 | | p=16w | | 4x^2-50x+40=0 | | w=-12+L | | w+12=L | | 2x+3y-14=0 | | 14=3x^2+19x | | 6(2x-3)-3x=2x-4 | | 5p+3=5p+p | | 4x^2-48x+40=0 | | 2ab-7ab+5ab-9ab= | | 8x-5=12x-5 |

Equations solver categories