(4cos^2x-x)(sinx+1)=0

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Solution for (4cos^2x-x)(sinx+1)=0 equation:


Simplifying
(4cos2x + -1x)(sinx + 1) = 0

Reorder the terms:
(4cos2x + -1x)(1 + insx) = 0

Multiply (4cos2x + -1x) * (1 + insx)
(4cos2x * (1 + insx) + -1x * (1 + insx)) = 0
((1 * 4cos2x + insx * 4cos2x) + -1x * (1 + insx)) = 0

Reorder the terms:
((4cinos3x2 + 4cos2x) + -1x * (1 + insx)) = 0
((4cinos3x2 + 4cos2x) + -1x * (1 + insx)) = 0
(4cinos3x2 + 4cos2x + (1 * -1x + insx * -1x)) = 0

Reorder the terms:
(4cinos3x2 + 4cos2x + (-1insx2 + -1x)) = 0
(4cinos3x2 + 4cos2x + (-1insx2 + -1x)) = 0
(4cinos3x2 + 4cos2x + -1insx2 + -1x) = 0

Solving
4cinos3x2 + 4cos2x + -1insx2 + -1x = 0

Solving for variable 'c'.

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

Add 'insx2' to each side of the equation.
4cinos3x2 + 4cos2x + -1insx2 + insx2 + -1x = 0 + insx2

Combine like terms: -1insx2 + insx2 = 0
4cinos3x2 + 4cos2x + 0 + -1x = 0 + insx2
4cinos3x2 + 4cos2x + -1x = 0 + insx2
Remove the zero:
4cinos3x2 + 4cos2x + -1x = insx2

Add 'x' to each side of the equation.
4cinos3x2 + 4cos2x + -1x + x = insx2 + x

Combine like terms: -1x + x = 0
4cinos3x2 + 4cos2x + 0 = insx2 + x
4cinos3x2 + 4cos2x = insx2 + x

Reorder the terms:
4cinos3x2 + 4cos2x + -1insx2 + -1x = insx2 + -1insx2 + x + -1x

Combine like terms: insx2 + -1insx2 = 0
4cinos3x2 + 4cos2x + -1insx2 + -1x = 0 + x + -1x
4cinos3x2 + 4cos2x + -1insx2 + -1x = x + -1x

Combine like terms: x + -1x = 0
4cinos3x2 + 4cos2x + -1insx2 + -1x = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(4cinos3x + 4cos2 + -1insx + -1) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing c to the left, all other terms to the right. Add '-1x' to each side of the equation. x + -1x = 0 + -1x Remove the zero: 0 = -1x Simplifying 0 = -1x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(4cinos3x + 4cos2 + -1insx + -1)' equal to zero and attempt to solve: Simplifying 4cinos3x + 4cos2 + -1insx + -1 = 0 Reorder the terms: -1 + 4cinos3x + 4cos2 + -1insx = 0 Solving -1 + 4cinos3x + 4cos2 + -1insx = 0 Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 4cinos3x + 4cos2 + 1 + -1insx = 0 + 1 Reorder the terms: -1 + 1 + 4cinos3x + 4cos2 + -1insx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4cinos3x + 4cos2 + -1insx = 0 + 1 4cinos3x + 4cos2 + -1insx = 0 + 1 Combine like terms: 0 + 1 = 1 4cinos3x + 4cos2 + -1insx = 1 Add 'insx' to each side of the equation. 4cinos3x + 4cos2 + -1insx + insx = 1 + insx Combine like terms: -1insx + insx = 0 4cinos3x + 4cos2 + 0 = 1 + insx 4cinos3x + 4cos2 = 1 + insx The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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