(p-9)(p-9)=-2

Simple and best practice solution for (p-9)(p-9)=-2 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-9)(p-9)=-2 equation:


Simplifying
(p + -9)(p + -9) = -2

Reorder the terms:
(-9 + p)(p + -9) = -2

Reorder the terms:
(-9 + p)(-9 + p) = -2

Multiply (-9 + p) * (-9 + p)
(-9(-9 + p) + p(-9 + p)) = -2
((-9 * -9 + p * -9) + p(-9 + p)) = -2
((81 + -9p) + p(-9 + p)) = -2
(81 + -9p + (-9 * p + p * p)) = -2
(81 + -9p + (-9p + p2)) = -2

Combine like terms: -9p + -9p = -18p
(81 + -18p + p2) = -2

Solving
81 + -18p + p2 = -2

Solving for variable 'p'.

Reorder the terms:
81 + 2 + -18p + p2 = -2 + 2

Combine like terms: 81 + 2 = 83
83 + -18p + p2 = -2 + 2

Combine like terms: -2 + 2 = 0
83 + -18p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-83' to each side of the equation.
83 + -18p + -83 + p2 = 0 + -83

Reorder the terms:
83 + -83 + -18p + p2 = 0 + -83

Combine like terms: 83 + -83 = 0
0 + -18p + p2 = 0 + -83
-18p + p2 = 0 + -83

Combine like terms: 0 + -83 = -83
-18p + p2 = -83

The p term is -18p.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18p + 81 + p2 = -83 + 81

Reorder the terms:
81 + -18p + p2 = -83 + 81

Combine like terms: -83 + 81 = -2
81 + -18p + p2 = -2

Factor a perfect square on the left side:
(p + -9)(p + -9) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3*2x=4 | | 3(9-3x)=8 | | 8x-24=56 | | 2x^2-9x=11 | | 5(x-4)=35+2x | | 45=10y | | 4(4)(8)= | | 2500-4.05x=3000 | | 3x-(18-x)=3(x-4) | | 36x-9x^2-18x+27=24x^2+48x+24 | | 4x-18=-3x+8 | | 6x-1=21 | | 34x=17 | | x+x-12=86 | | z+81=9z-27 | | 8x^2+7x+3= | | 36-6(x+1)=8 | | 1.25+.15x=0 | | 4n=5n+150 | | 18=7-24x | | 15=8x-14x | | 5(3-9)+7= | | 20-18x=90 | | 75x=60 | | Z^2+10z+9=0 | | -15n+12=-13n-2 | | 8x-(3x+8)=8x-23 | | x+1/4= | | -54=-0.8x^2+14.4x+2 | | 2.5q=10.75 | | m+12.6=6.3 | | 46-14=4(x-2) |

Equations solver categories