2p^2+16p-1=0

Simple and best practice solution for 2p^2+16p-1=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 2p^2+16p-1=0 equation:


Simplifying
2p2 + 16p + -1 = 0

Reorder the terms:
-1 + 16p + 2p2 = 0

Solving
-1 + 16p + 2p2 = 0

Solving for variable 'p'.

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

Divide each side by '2'.
-0.5 + 8p + p2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + 8p + 0.5 + p2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + 8p + p2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 8p + p2 = 0 + 0.5
8p + p2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
8p + p2 = 0.5

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 = 0.5 + 16

Reorder the terms:
16 + 8p + p2 = 0.5 + 16

Combine like terms: 0.5 + 16 = 16.5
16 + 8p + p2 = 16.5

Factor a perfect square on the left side:
(p + 4)(p + 4) = 16.5

Calculate the square root of the right side: 4.062019202

Break this problem into two subproblems by setting 
(p + 4) equal to 4.062019202 and -4.062019202.

Subproblem 1

p + 4 = 4.062019202 Simplifying p + 4 = 4.062019202 Reorder the terms: 4 + p = 4.062019202 Solving 4 + p = 4.062019202 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 = 4.062019202 + -4 Combine like terms: 4 + -4 = 0 0 + p = 4.062019202 + -4 p = 4.062019202 + -4 Combine like terms: 4.062019202 + -4 = 0.062019202 p = 0.062019202 Simplifying p = 0.062019202

Subproblem 2

p + 4 = -4.062019202 Simplifying p + 4 = -4.062019202 Reorder the terms: 4 + p = -4.062019202 Solving 4 + p = -4.062019202 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 = -4.062019202 + -4 Combine like terms: 4 + -4 = 0 0 + p = -4.062019202 + -4 p = -4.062019202 + -4 Combine like terms: -4.062019202 + -4 = -8.062019202 p = -8.062019202 Simplifying p = -8.062019202

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.062019202, -8.062019202}

See similar equations:

| 14v+33=999 | | 8-(-3)=n | | 6r+90=984 | | 18(-1-2)-4(-9+3x)=-14 | | 9+5t+4=4t+21 | | 53+x+108+82=360 | | 4s-1-2s+3=12 | | 4.8x(3-1)=f | | Ln(y)=6 | | 50=49+x | | 4w^2-9w-90=0 | | 13(p-858)=845 | | 42x+x^2=0 | | d-168/22=24 | | 24=s-905/2 | | 6-4(-6X-6)=-9 | | 6-3x+6x=18 | | 4/11•10/8 | | 21(j+7)=987 | | 2.3x-8=1.2x+3 | | 18(b-944)=846 | | 20x^2=x(42+x) | | 4/7r=4 | | 8-5(2-2x)=24 | | -9(x+5)+3=-42 | | 18q-36=180 | | 4-5(x+1)=4(2x+2) | | 77+44+x=180 | | (1xn)-8.7=0.1 | | 6x+9=425 | | 636=778-z | | X+6-2x=6 |

Equations solver categories