0=4x^2+380x+8400

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Solution for 0=4x^2+380x+8400 equation:


Simplifying
0 = 4x2 + 380x + 8400

Reorder the terms:
0 = 8400 + 380x + 4x2

Solving
0 = 8400 + 380x + 4x2

Solving for variable 'x'.

Combine like terms: 0 + -8400 = -8400
-8400 + -380x + -4x2 = 8400 + 380x + 4x2 + -8400 + -380x + -4x2

Reorder the terms:
-8400 + -380x + -4x2 = 8400 + -8400 + 380x + -380x + 4x2 + -4x2

Combine like terms: 8400 + -8400 = 0
-8400 + -380x + -4x2 = 0 + 380x + -380x + 4x2 + -4x2
-8400 + -380x + -4x2 = 380x + -380x + 4x2 + -4x2

Combine like terms: 380x + -380x = 0
-8400 + -380x + -4x2 = 0 + 4x2 + -4x2
-8400 + -380x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-8400 + -380x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '-4'.
-4(2100 + 95x + x2) = 0

Factor a trinomial.
-4((60 + x)(35 + x)) = 0

Ignore the factor -4.

Subproblem 1

Set the factor '(60 + x)' equal to zero and attempt to solve: Simplifying 60 + x = 0 Solving 60 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-60' to each side of the equation. 60 + -60 + x = 0 + -60 Combine like terms: 60 + -60 = 0 0 + x = 0 + -60 x = 0 + -60 Combine like terms: 0 + -60 = -60 x = -60 Simplifying x = -60

Subproblem 2

Set the factor '(35 + x)' equal to zero and attempt to solve: Simplifying 35 + x = 0 Solving 35 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + x = 0 + -35 Combine like terms: 35 + -35 = 0 0 + x = 0 + -35 x = 0 + -35 Combine like terms: 0 + -35 = -35 x = -35 Simplifying x = -35

Solution

x = {-60, -35}

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