# Simple Algebra

Expand: [math](x+2)^2(x-2)[/math]

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Find:

Expand: [math](x+2)^2(x-2)[/math]

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[math](x+2)^2(x-2)[/math]

[math](x^2 + 4x + 4)(x-2)[/math]

[math]x^3 + 4x^2 + 4x -2x^2 -8x -8[/math]

[math]\color{red}{x^3 + 2x^2 -4x -8}[/math]

Previous Question

Awning With Cable (Cantilever)

Draw a FBD of an Awning held up by a cable and wall, then resolve the forces that are holding it up.

Awning With Cable (Cantilever)

Draw a FBD of an Awning held up by a cable and wall, then resolve the forces that are holding it up.

Next Question

Reaction Forces in a Cantilever Beam

Draw the FBD and calculate the reaction forces of a cantilever beam under the load of a single point force.

Reaction Forces in a Cantilever Beam

Draw the FBD and calculate the reaction forces of a cantilever beam under the load of a single point force.