4x^2+9x+10=3x^2-4

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Solution for 4x^2+9x+10=3x^2-4 equation:


Simplifying
4x2 + 9x + 10 = 3x2 + -4

Reorder the terms:
10 + 9x + 4x2 = 3x2 + -4

Reorder the terms:
10 + 9x + 4x2 = -4 + 3x2

Solving
10 + 9x + 4x2 = -4 + 3x2

Solving for variable 'x'.

Reorder the terms:
10 + 4 + 9x + 4x2 + -3x2 = -4 + 3x2 + 4 + -3x2

Combine like terms: 10 + 4 = 14
14 + 9x + 4x2 + -3x2 = -4 + 3x2 + 4 + -3x2

Combine like terms: 4x2 + -3x2 = 1x2
14 + 9x + 1x2 = -4 + 3x2 + 4 + -3x2

Reorder the terms:
14 + 9x + 1x2 = -4 + 4 + 3x2 + -3x2

Combine like terms: -4 + 4 = 0
14 + 9x + 1x2 = 0 + 3x2 + -3x2
14 + 9x + 1x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
14 + 9x + 1x2 = 0

Factor a trinomial.
(7 + x)(2 + x) = 0

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-7, -2}

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