8p^2-19p+9=

Simple and best practice solution for 8p^2-19p+9= 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^2-19p+9= equation:


Simplifying
8p2 + -19p + 9 = 0

Reorder the terms:
9 + -19p + 8p2 = 0

Solving
9 + -19p + 8p2 = 0

Solving for variable 'p'.

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

Divide each side by '8'.
1.125 + -2.375p + p2 = 0

Move the constant term to the right:

Add '-1.125' to each side of the equation.
1.125 + -2.375p + -1.125 + p2 = 0 + -1.125

Reorder the terms:
1.125 + -1.125 + -2.375p + p2 = 0 + -1.125

Combine like terms: 1.125 + -1.125 = 0.000
0.000 + -2.375p + p2 = 0 + -1.125
-2.375p + p2 = 0 + -1.125

Combine like terms: 0 + -1.125 = -1.125
-2.375p + p2 = -1.125

The p term is -2.375p.  Take half its coefficient (-1.1875).
Square it (1.41015625) and add it to both sides.

Add '1.41015625' to each side of the equation.
-2.375p + 1.41015625 + p2 = -1.125 + 1.41015625

Reorder the terms:
1.41015625 + -2.375p + p2 = -1.125 + 1.41015625

Combine like terms: -1.125 + 1.41015625 = 0.28515625
1.41015625 + -2.375p + p2 = 0.28515625

Factor a perfect square on the left side:
(p + -1.1875)(p + -1.1875) = 0.28515625

Calculate the square root of the right side: 0.534000234

Break this problem into two subproblems by setting 
(p + -1.1875) equal to 0.534000234 and -0.534000234.

Subproblem 1

p + -1.1875 = 0.534000234 Simplifying p + -1.1875 = 0.534000234 Reorder the terms: -1.1875 + p = 0.534000234 Solving -1.1875 + p = 0.534000234 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.1875' to each side of the equation. -1.1875 + 1.1875 + p = 0.534000234 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + p = 0.534000234 + 1.1875 p = 0.534000234 + 1.1875 Combine like terms: 0.534000234 + 1.1875 = 1.721500234 p = 1.721500234 Simplifying p = 1.721500234

Subproblem 2

p + -1.1875 = -0.534000234 Simplifying p + -1.1875 = -0.534000234 Reorder the terms: -1.1875 + p = -0.534000234 Solving -1.1875 + p = -0.534000234 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.1875' to each side of the equation. -1.1875 + 1.1875 + p = -0.534000234 + 1.1875 Combine like terms: -1.1875 + 1.1875 = 0.0000 0.0000 + p = -0.534000234 + 1.1875 p = -0.534000234 + 1.1875 Combine like terms: -0.534000234 + 1.1875 = 0.653499766 p = 0.653499766 Simplifying p = 0.653499766

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.721500234, 0.653499766}

See similar equations:

| (x-2/3)(5x+4)=0 | | 60=-12a | | factor(3-5i)+(4+3i)=0 | | k+(-3)=9 | | 4y-24x=12 | | 5(m+2)-4(m+1)= | | 5(x-3)-4h=-11-1 | | 5p^2+6p-8= | | 3h=1.08 | | x-1/3=4 | | 2a^3-12a^2+10a=0 | | x^2+2x-75x= | | v-(-4)=3 | | -4+12=16x-3-15 | | t/2-t/3=0.5 | | 4y+3(y+7)=-14 | | 2L+2+2w-2=24 | | 3(2b+6)=(4b-8) | | 4/5y-7=-23 | | 9x+9-8x=13 | | -3x-15y=9 | | 6x+4+x+5=9 | | n=3n+14 | | 12=-3x-4y | | (7-x)1/2=(2x+13)1/2 | | 3=2x-y | | -72=-9y | | 2x^2+3x-a=13c^3 | | 9t^6(t-t^2+2t^3)= | | 2(x-4)-3(x-1)=4 | | 16x^2+26x+9=0 | | 3x-7+3+3+2x=-x+2 |

Equations solver categories