(4)2-4(-5)-1=

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Solution for (4)2-4(-5)-1= equation: 


Simplifying
(4) * 2 + -4(-5) + -1 = 0

Multiply 4 * 2
8 + -4(-5) + -1 = 0

Multiply -4 * -5
8 + 20 + -1 = 0

Combine like terms: 8 + 20 = 28
28 + -1 = 0

Combine like terms: 28 + -1 = 27
27 = 0

Solving
27 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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