(4m+7)2+3(4m+7)-4=0

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Solution for (4m+7)2+3(4m+7)-4=0 equation:


Simplifying
(4m + 7) * 2 + 3(4m + 7) + -4 = 0

Reorder the terms:
(7 + 4m) * 2 + 3(4m + 7) + -4 = 0

Reorder the terms for easier multiplication:
2(7 + 4m) + 3(4m + 7) + -4 = 0
(7 * 2 + 4m * 2) + 3(4m + 7) + -4 = 0
(14 + 8m) + 3(4m + 7) + -4 = 0

Reorder the terms:
14 + 8m + 3(7 + 4m) + -4 = 0
14 + 8m + (7 * 3 + 4m * 3) + -4 = 0
14 + 8m + (21 + 12m) + -4 = 0

Reorder the terms:
14 + 21 + -4 + 8m + 12m = 0

Combine like terms: 14 + 21 = 35
35 + -4 + 8m + 12m = 0

Combine like terms: 35 + -4 = 31
31 + 8m + 12m = 0

Combine like terms: 8m + 12m = 20m
31 + 20m = 0

Solving
31 + 20m = 0

Solving for variable 'm'.

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

Add '-31' to each side of the equation.
31 + -31 + 20m = 0 + -31

Combine like terms: 31 + -31 = 0
0 + 20m = 0 + -31
20m = 0 + -31

Combine like terms: 0 + -31 = -31
20m = -31

Divide each side by '20'.
m = -1.55

Simplifying
m = -1.55

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