(4k+5)(5+7)=0

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Solution for (4k+5)(5+7)=0 equation:


Simplifying
(4k + 5)(5 + 7) = 0

Reorder the terms:
(5 + 4k)(5 + 7) = 0

Combine like terms: 5 + 7 = 12
(5 + 4k)(12) = 0

Reorder the terms for easier multiplication:
12(5 + 4k) = 0
(5 * 12 + 4k * 12) = 0
(60 + 48k) = 0

Solving
60 + 48k = 0

Solving for variable 'k'.

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

Add '-60' to each side of the equation.
60 + -60 + 48k = 0 + -60

Combine like terms: 60 + -60 = 0
0 + 48k = 0 + -60
48k = 0 + -60

Combine like terms: 0 + -60 = -60
48k = -60

Divide each side by '48'.
k = -1.25

Simplifying
k = -1.25

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