-2p^2+16p+20=0

Simple and best practice solution for -2p^2+16p+20=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+20=0 equation:


Simplifying
-2p2 + 16p + 20 = 0

Reorder the terms:
20 + 16p + -2p2 = 0

Solving
20 + 16p + -2p2 = 0

Solving for variable 'p'.

Factor out the Greatest Common Factor (GCF), '2'.
2(10 + 8p + -1p2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(10 + 8p + -1p2)' equal to zero and attempt to solve: Simplifying 10 + 8p + -1p2 = 0 Solving 10 + 8p + -1p2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -10 + -8p + p2 = 0 Move the constant term to the right: Add '10' to each side of the equation. -10 + -8p + 10 + p2 = 0 + 10 Reorder the terms: -10 + 10 + -8p + p2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -8p + p2 = 0 + 10 -8p + p2 = 0 + 10 Combine like terms: 0 + 10 = 10 -8p + p2 = 10 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 = 10 + 16 Reorder the terms: 16 + -8p + p2 = 10 + 16 Combine like terms: 10 + 16 = 26 16 + -8p + p2 = 26 Factor a perfect square on the left side: (p + -4)(p + -4) = 26 Calculate the square root of the right side: 5.099019514 Break this problem into two subproblems by setting (p + -4) equal to 5.099019514 and -5.099019514.

Subproblem 1

p + -4 = 5.099019514 Simplifying p + -4 = 5.099019514 Reorder the terms: -4 + p = 5.099019514 Solving -4 + p = 5.099019514 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 = 5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + p = 5.099019514 + 4 p = 5.099019514 + 4 Combine like terms: 5.099019514 + 4 = 9.099019514 p = 9.099019514 Simplifying p = 9.099019514

Subproblem 2

p + -4 = -5.099019514 Simplifying p + -4 = -5.099019514 Reorder the terms: -4 + p = -5.099019514 Solving -4 + p = -5.099019514 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 = -5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + p = -5.099019514 + 4 p = -5.099019514 + 4 Combine like terms: -5.099019514 + 4 = -1.099019514 p = -1.099019514 Simplifying p = -1.099019514

Solution

The solution to the problem is based on the solutions from the subproblems. p = {9.099019514, -1.099019514}

Solution

p = {9.099019514, -1.099019514}

See similar equations:

| 2x^2-10/7x-5=0 | | x/9-12=3 | | 0.06r=72 | | 5(x-3)-4=-5(-5x+7)-8x | | 72=0.06r | | 4m-8m+15=3 | | 9x-6x+204=9x+102 | | Y/8=4/y | | x^4+3x^3-10x^2+8x+40=-5 | | x+5+3x=x+15 | | x^4+3x^3-10x^2+8x+40=0 | | 2x^2-10/7x-5 | | 4x+9x-76=38-6x | | X^6-144=0 | | m(9x-12)=6x-8 | | 5X-2=-3X+4 | | -7x-18=-130 | | 2x-7=4+4x | | 2x-3=4+4x | | 4/x=x/25 | | y/80=y/48 | | 3(ln).1x=5 | | 3x+7=3x+21 | | X=-4sec^2(0) | | ln(1+x)=-13.9805569 | | 5+7=8(y-4) | | (x+12)(x+5)=A | | 3x-15=5x+2-4 | | 14x+17y=-6 | | 4x+9x-38=76-6x | | 3.75+0.55x=5.40 | | -5sin(2x)=0.5 |

Equations solver categories