(R-5)(r+5)=

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Solution for (R-5)(r+5)= equation:


Simplifying
(R + -5)(r + 5) = 0

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

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

Multiply (-5 + R) * (5 + r)
(-5(5 + r) + R(5 + r)) = 0
((5 * -5 + r * -5) + R(5 + r)) = 0
((-25 + -5r) + R(5 + r)) = 0
(-25 + -5r + (5 * R + r * R)) = 0
(-25 + -5r + (5R + rR)) = 0

Reorder the terms:
(-25 + 5R + -5r + rR) = 0
(-25 + 5R + -5r + rR) = 0

Solving
-25 + 5R + -5r + rR = 0

Solving for variable 'R'.

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

Add '25' to each side of the equation.
-25 + 5R + -5r + 25 + rR = 0 + 25

Reorder the terms:
-25 + 25 + 5R + -5r + rR = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 5R + -5r + rR = 0 + 25
5R + -5r + rR = 0 + 25

Combine like terms: 0 + 25 = 25
5R + -5r + rR = 25

Add '5r' to each side of the equation.
5R + -5r + 5r + rR = 25 + 5r

Combine like terms: -5r + 5r = 0
5R + 0 + rR = 25 + 5r
5R + rR = 25 + 5r

Reorder the terms:
-25 + 5R + -5r + rR = 25 + 5r + -25 + -5r

Reorder the terms:
-25 + 5R + -5r + rR = 25 + -25 + 5r + -5r

Combine like terms: 25 + -25 = 0
-25 + 5R + -5r + rR = 0 + 5r + -5r
-25 + 5R + -5r + rR = 5r + -5r

Combine like terms: 5r + -5r = 0
-25 + 5R + -5r + rR = 0

The solution to this equation could not be determined.

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