3p*(2p+10)+(5-p)(p-4)=

Simple and best practice solution for 3p*(2p+10)+(5-p)(p-4)= 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 3p*(2p+10)+(5-p)(p-4)= equation:


Simplifying
3p(2p + 10) + (5 + -1p)(p + -4) = 0

Reorder the terms:
3p(10 + 2p) + (5 + -1p)(p + -4) = 0
(10 * 3p + 2p * 3p) + (5 + -1p)(p + -4) = 0
(30p + 6p2) + (5 + -1p)(p + -4) = 0

Reorder the terms:
30p + 6p2 + (5 + -1p)(-4 + p) = 0

Multiply (5 + -1p) * (-4 + p)
30p + 6p2 + (5(-4 + p) + -1p * (-4 + p)) = 0
30p + 6p2 + ((-4 * 5 + p * 5) + -1p * (-4 + p)) = 0
30p + 6p2 + ((-20 + 5p) + -1p * (-4 + p)) = 0
30p + 6p2 + (-20 + 5p + (-4 * -1p + p * -1p)) = 0
30p + 6p2 + (-20 + 5p + (4p + -1p2)) = 0

Combine like terms: 5p + 4p = 9p
30p + 6p2 + (-20 + 9p + -1p2) = 0

Reorder the terms:
-20 + 30p + 9p + 6p2 + -1p2 = 0

Combine like terms: 30p + 9p = 39p
-20 + 39p + 6p2 + -1p2 = 0

Combine like terms: 6p2 + -1p2 = 5p2
-20 + 39p + 5p2 = 0

Solving
-20 + 39p + 5p2 = 0

Solving for variable 'p'.

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
-4 + 7.8p + p2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 7.8p + 4 + p2 = 0 + 4

Reorder the terms:
-4 + 4 + 7.8p + p2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 7.8p + p2 = 0 + 4
7.8p + p2 = 0 + 4

Combine like terms: 0 + 4 = 4
7.8p + p2 = 4

The p term is 7.8p.  Take half its coefficient (3.9).
Square it (15.21) and add it to both sides.

Add '15.21' to each side of the equation.
7.8p + 15.21 + p2 = 4 + 15.21

Reorder the terms:
15.21 + 7.8p + p2 = 4 + 15.21

Combine like terms: 4 + 15.21 = 19.21
15.21 + 7.8p + p2 = 19.21

Factor a perfect square on the left side:
(p + 3.9)(p + 3.9) = 19.21

Calculate the square root of the right side: 4.3829214

Break this problem into two subproblems by setting 
(p + 3.9) equal to 4.3829214 and -4.3829214.

Subproblem 1

p + 3.9 = 4.3829214 Simplifying p + 3.9 = 4.3829214 Reorder the terms: 3.9 + p = 4.3829214 Solving 3.9 + p = 4.3829214 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3.9' to each side of the equation. 3.9 + -3.9 + p = 4.3829214 + -3.9 Combine like terms: 3.9 + -3.9 = 0.0 0.0 + p = 4.3829214 + -3.9 p = 4.3829214 + -3.9 Combine like terms: 4.3829214 + -3.9 = 0.4829214 p = 0.4829214 Simplifying p = 0.4829214

Subproblem 2

p + 3.9 = -4.3829214 Simplifying p + 3.9 = -4.3829214 Reorder the terms: 3.9 + p = -4.3829214 Solving 3.9 + p = -4.3829214 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3.9' to each side of the equation. 3.9 + -3.9 + p = -4.3829214 + -3.9 Combine like terms: 3.9 + -3.9 = 0.0 0.0 + p = -4.3829214 + -3.9 p = -4.3829214 + -3.9 Combine like terms: -4.3829214 + -3.9 = -8.2829214 p = -8.2829214 Simplifying p = -8.2829214

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.4829214, -8.2829214}

See similar equations:

| -2b+8(b+7)=-b | | 3(x-5)-2=25 | | 5x-6=100 | | 2(m-4)=16+16m | | 0=10-4t-4.9t^2 | | -12-X+x^2=0 | | 5r-20=5(-3r+8) | | -25x-2x=-5x+56 | | s=100 | | (3n+2)(n+3)=0 | | 8x-93=33-x | | 3/17=Y/7 | | dy/dt=k(10) | | 7x-2y=27 | | -7x-45=12-4x | | (-2)(-2)=16 | | -3(n-5)=-4n+9 | | z^2+(1+4i)z+3+11i=0 | | -7x-45=12+4x | | 2(5)(5)=250 | | x^2+(2+3i)z+1+3i=0 | | 11/13=5/y | | 2.5x+3=3x+5 | | -136+10x=-4x+116 | | 2(m-4)=16+6m | | 7x-42=5x+10 | | p+q=180 | | 9x-5(2x+1)=2x+1 | | 0,04/0,4 | | -5(5v+5)-6=-13-7v | | x+55=72 | | 4+3x+2+6x= |

Equations solver categories