(70-2X)(35-2X)=2450-140X-70X+4X^2

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Solution for (70-2X)(35-2X)=2450-140X-70X+4X^2 equation: 


Simplifying
(70 + -2X)(35 + -2X) = 2450 + -140X + -70X + 4X2

Multiply (70 + -2X) * (35 + -2X)
(70(35 + -2X) + -2X * (35 + -2X)) = 2450 + -140X + -70X + 4X2
((35 * 70 + -2X * 70) + -2X * (35 + -2X)) = 2450 + -140X + -70X + 4X2
((2450 + -140X) + -2X * (35 + -2X)) = 2450 + -140X + -70X + 4X2
(2450 + -140X + (35 * -2X + -2X * -2X)) = 2450 + -140X + -70X + 4X2
(2450 + -140X + (-70X + 4X2)) = 2450 + -140X + -70X + 4X2

Combine like terms: -140X + -70X = -210X
(2450 + -210X + 4X2) = 2450 + -140X + -70X + 4X2

Combine like terms: -140X + -70X = -210X
2450 + -210X + 4X2 = 2450 + -210X + 4X2

Add '-2450' to each side of the equation.
2450 + -210X + -2450 + 4X2 = 2450 + -210X + -2450 + 4X2

Reorder the terms:
2450 + -2450 + -210X + 4X2 = 2450 + -210X + -2450 + 4X2

Combine like terms: 2450 + -2450 = 0
0 + -210X + 4X2 = 2450 + -210X + -2450 + 4X2
-210X + 4X2 = 2450 + -210X + -2450 + 4X2

Reorder the terms:
-210X + 4X2 = 2450 + -2450 + -210X + 4X2

Combine like terms: 2450 + -2450 = 0
-210X + 4X2 = 0 + -210X + 4X2
-210X + 4X2 = -210X + 4X2

Add '210X' to each side of the equation.
-210X + 210X + 4X2 = -210X + 210X + 4X2

Combine like terms: -210X + 210X = 0
0 + 4X2 = -210X + 210X + 4X2
4X2 = -210X + 210X + 4X2

Combine like terms: -210X + 210X = 0
4X2 = 0 + 4X2
4X2 = 4X2

Add '-4X2' to each side of the equation.
4X2 + -4X2 = 4X2 + -4X2

Combine like terms: 4X2 + -4X2 = 0
0 = 4X2 + -4X2

Combine like terms: 4X2 + -4X2 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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