(r-5)(r+5)-d(r+5)=

Simple and best practice solution for (r-5)(r+5)-d(r+5)= 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 (r-5)(r+5)-d(r+5)= equation: 


Simplifying
(r + -5)(r + 5) + -1d(r + 5) = 0

Reorder the terms:
(-5 + r)(r + 5) + -1d(r + 5) = 0

Reorder the terms:
(-5 + r)(5 + r) + -1d(r + 5) = 0

Multiply (-5 + r) * (5 + r)
(-5(5 + r) + r(5 + r)) + -1d(r + 5) = 0
((5 * -5 + r * -5) + r(5 + r)) + -1d(r + 5) = 0
((-25 + -5r) + r(5 + r)) + -1d(r + 5) = 0
(-25 + -5r + (5 * r + r * r)) + -1d(r + 5) = 0
(-25 + -5r + (5r + r2)) + -1d(r + 5) = 0

Combine like terms: -5r + 5r = 0
(-25 + 0 + r2) + -1d(r + 5) = 0
(-25 + r2) + -1d(r + 5) = 0

Reorder the terms:
-25 + r2 + -1d(5 + r) = 0
-25 + r2 + (5 * -1d + r * -1d) = 0
-25 + r2 + (-5d + -1dr) = 0

Reorder the terms:
-25 + -5d + -1dr + r2 = 0

Solving
-25 + -5d + -1dr + r2 = 0

Solving for variable 'd'.

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

Add '25' to each side of the equation.
-25 + -5d + -1dr + 25 + r2 = 0 + 25

Reorder the terms:
-25 + 25 + -5d + -1dr + r2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + -5d + -1dr + r2 = 0 + 25
-5d + -1dr + r2 = 0 + 25

Combine like terms: 0 + 25 = 25
-5d + -1dr + r2 = 25

Add '-1r2' to each side of the equation.
-5d + -1dr + r2 + -1r2 = 25 + -1r2

Combine like terms: r2 + -1r2 = 0
-5d + -1dr + 0 = 25 + -1r2
-5d + -1dr = 25 + -1r2

Reorder the terms:
-25 + -5d + -1dr + r2 = 25 + -1r2 + -25 + r2

Reorder the terms:
-25 + -5d + -1dr + r2 = 25 + -25 + -1r2 + r2

Combine like terms: 25 + -25 = 0
-25 + -5d + -1dr + r2 = 0 + -1r2 + r2
-25 + -5d + -1dr + r2 = -1r2 + r2

Combine like terms: -1r2 + r2 = 0
-25 + -5d + -1dr + r2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5x+3x-8=2x-1+5 | | (x-2)(x-2)-x(x-4)=4(x-3) | | 3c^2f^2-15cf= | | 1000/6800 | | -2x/-3x=10 | | x^2+3=4+3 | | -2/-3x=10 | | 9-5x=-16 | | 16+8x=48 | | 3x+7=1/3(4x-6) | | 16+8=48 | | 0=-16t^2+0t+144 | | -4=7x-11 | | 9x-15-7x-21=-6 | | 7-2+-4= | | 9x-15-7x-21= | | 10-6x=-14 | | 5x+9=71 | | -sin^2x=2cosx-2 | | 14-4x=-22 | | -2+2x=5x+10 | | 13+6x=79 | | 3x^2-42x+142=0 | | 46=7x-17 | | (-1/4)x^2+2x+2=0 | | 5(5g+8)/4=60 | | (-1/4x^2)+2x+2=0 | | 7(m-5)=42 | | -1/4x^2+2x+2=0 | | f(a)=2a-4 | | 0=x+1/4y+1/2 | | 10d+4=3d+60 |

Equations solver categories