(p-7)(p+8)=

Simple and best practice solution for (p-7)(p+8)= 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-7)(p+8)= equation:


Simplifying
(p + -7)(p + 8) = 0

Reorder the terms:
(-7 + p)(p + 8) = 0

Reorder the terms:
(-7 + p)(8 + p) = 0

Multiply (-7 + p) * (8 + p)
(-7(8 + p) + p(8 + p)) = 0
((8 * -7 + p * -7) + p(8 + p)) = 0
((-56 + -7p) + p(8 + p)) = 0
(-56 + -7p + (8 * p + p * p)) = 0
(-56 + -7p + (8p + p2)) = 0

Combine like terms: -7p + 8p = 1p
(-56 + 1p + p2) = 0

Solving
-56 + 1p + p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(-8 + -1p)(7 + -1p) = 0


Subproblem 1
Set the factor '(-8 + -1p)' equal to zero and attempt to solve:

Simplifying
-8 + -1p = 0

Solving
-8 + -1p = 0

Move all terms containing p to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -1p = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1p = 0 + 8
-1p = 0 + 8

Combine like terms: 0 + 8 = 8
-1p = 8

Divide each side by '-1'.
p = -8

Simplifying
p = -8

Subproblem 2
Set the factor '(7 + -1p)' equal to zero and attempt to solve:

Simplifying
7 + -1p = 0

Solving
7 + -1p = 0

Move all terms containing p to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1p = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1p = 0 + -7
-1p = 0 + -7

Combine like terms: 0 + -7 = -7
-1p = -7

Divide each side by '-1'.
p = 7

Simplifying
p = 7
Solution
p = {-8, 7}

See similar equations:

| 2b^2+3b+1=0 | | -2x^2-11x-3=0 | | C/7=21 | | (3u^2v^-1/3^3u^-1v^3)^-2 | | 4=6y-9 | | -3/7t=24 | | -2x^2+13x-12=0 | | X(6+9)=165 | | 8x^3+288x=0 | | 7(-6x-10)= | | a^12+b^6+c^6= | | -11x=x^2 | | 28+3x=64 | | 5x^2-6x+2=x | | 2(r+3)=(4-r)-11 | | -2/11p=14 | | 2(3x+4)-8x=30 | | 5/8c=-20 | | 6x^2(a-b)-5x(a-b)+(a-b)=0 | | 1/4(8y+4)+1/2(4y-6)=18 | | 60-16b+b^2= | | 1/5t=17 | | 53-5/8x=-102 | | 1/2-4x=9/8 | | 6x-4=-2x | | 9x^4-12x^2+5=0 | | 10000/(x*0.5) | | 7(x-5)=63 | | 66-2x=9x | | 2u^2+3u+1=0 | | 4(x-y)=7(x+2)y | | 5x+3x-9+12=59 |

Equations solver categories