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Polynomials 03: Adding

Polynomials 03: Adding

Adding polynomials is pretty much the same as simplifying them in the last lesson. All of the like terms can be combined.

For instance if we needed to add [math]4x^2-3+7x[/math] and [math]5x-x^2+7+2x^3[/math] it would look like this [math](4x^2-3+7x)+(5x-x^2+7+2x^3)[/math]. All of the terms can then be put in order starting with the highest exponent and alphabetically resulting in [math]2x^3+4x^2-x^2+7x+5x+7-3[/math]. Like terms can be combined to give a final polynomial of [math]2x^3+3x^2+12x+4[/math].

Directions for this Lesson:
Watch the video below and complete the practice questions.

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