10-3K(2K+5)+(k+2)(k-4)=

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Solution for 10-3K(2K+5)+(k+2)(k-4)= equation: 


Simplifying
10 + -3K(2K + 5) + (k + 2)(k + -4) = 0

Reorder the terms:
10 + -3K(5 + 2K) + (k + 2)(k + -4) = 0
10 + (5 * -3K + 2K * -3K) + (k + 2)(k + -4) = 0
10 + (-15K + -6K2) + (k + 2)(k + -4) = 0

Reorder the terms:
10 + -15K + -6K2 + (2 + k)(k + -4) = 0

Reorder the terms:
10 + -15K + -6K2 + (2 + k)(-4 + k) = 0

Multiply (2 + k) * (-4 + k)
10 + -15K + -6K2 + (2(-4 + k) + k(-4 + k)) = 0
10 + -15K + -6K2 + ((-4 * 2 + k * 2) + k(-4 + k)) = 0
10 + -15K + -6K2 + ((-8 + 2k) + k(-4 + k)) = 0
10 + -15K + -6K2 + (-8 + 2k + (-4 * k + k * k)) = 0
10 + -15K + -6K2 + (-8 + 2k + (-4k + k2)) = 0

Combine like terms: 2k + -4k = -2k
10 + -15K + -6K2 + (-8 + -2k + k2) = 0

Reorder the terms:
10 + -8 + -15K + -6K2 + -2k + k2 = 0

Combine like terms: 10 + -8 = 2
2 + -15K + -6K2 + -2k + k2 = 0

Solving
2 + -15K + -6K2 + -2k + k2 = 0

Solving for variable 'K'.

The solution to this equation could not be determined.

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