(r-5)(r+5)-f(r+5)=

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


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

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

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

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

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

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

Reorder the terms:
-25 + -5f + -1fr + r2 = 0

Solving
-25 + -5f + -1fr + r2 = 0

Solving for variable 'f'.

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

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

Reorder the terms:
-25 + 25 + -5f + -1fr + r2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + -5f + -1fr + r2 = 0 + 25
-5f + -1fr + r2 = 0 + 25

Combine like terms: 0 + 25 = 25
-5f + -1fr + r2 = 25

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

Combine like terms: r2 + -1r2 = 0
-5f + -1fr + 0 = 25 + -1r2
-5f + -1fr = 25 + -1r2

Reorder the terms:
-25 + -5f + -1fr + r2 = 25 + -1r2 + -25 + r2

Reorder the terms:
-25 + -5f + -1fr + r2 = 25 + -25 + -1r2 + r2

Combine like terms: 25 + -25 = 0
-25 + -5f + -1fr + r2 = 0 + -1r2 + r2
-25 + -5f + -1fr + r2 = -1r2 + r2

Combine like terms: -1r2 + r2 = 0
-25 + -5f + -1fr + r2 = 0

The solution to this equation could not be determined.

See similar equations:

| 4a^2g^2-20ag= | | 6x+40=10x-93 | | (12-x^2)(x^2+6)(x^2-3x)=0 | | 10x-16=5x-4 | | y=19x-12 | | 4x+13=4x-69 | | w^2-9w^4+18w^3= | | 23x+7=30 | | 2s^4-32= | | 1/4*x^4+x^2-2=0 | | 4a^4-1024= | | 4n+20=6n+30 | | r^2-16r^4+64r^3= | | 2n-10=4n+8 | | -8-3x=8-8x | | 40-7P=-6+16P | | 15u^3+51u^2-120u= | | 17+6P=-4+9P | | y=3/2x-9 | | 10b^3+34b^2-80b= | | x=+x-5 | | 7y+2=9-3z | | -(3x+5)+(4-7x)=4 | | 3x+29=10-41 | | 9x+5=12x+17 | | 4x+35=6+11 | | -x+11=4x+46 | | 4x-(7x-8)=35 | | 4w^2-15w+9= | | 2b+4h=7 | | -31=8-1p | | 4b+3h=10 |

Equations solver categories