Add or subtract and simplify your answers 3X/(X^2+ 3X -10) - 2X/(X^2+ x-6)
Combine like terms. For example, if you were asked to add (3x^2 +2x + 4) to (6x^2 + 4x + 8), you would combine 3x^2 with 6x^2, 2x with 4x and 4 with 8.
Add like terms. [ Arrange the terms vertically and add like this:
3x^2 + 2x + 4
+ 6x^2 + 4x + 8.
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Simplify. Your answer should then be 9x^2 + 6x + 12.
Combine like terms. Just as you did with addition, group like terms together. For example, if you were asked to subtract (2x^3 + 8x + 6) from (3x^3 -2x + 4) you would combine 3x^3 with 2x^3, -2x with 8x and 4 with 6.
Subtract like terms. Arrange the like terms so they line up vertically as you did with addition and subtract.
3x^3 - 2x + 4
- 2x^3 + 8x + 6
Simplify. Your answer should then be x^3 - 10x - 2.
Adding and Subtracting Monomials
Combine like terms. For example, if you were asked to add 5x to 2x or subtract 2x from 5x, you would combine these terms as you did in the examples above.
Add or subtract the terms. In this case you would add 5x to 2x or subtract 2x from 5x.
Simplify. Your answer should then be 7x or 3x.
Read more: How to Add and Subtract Monomials and Polynomials | eHow.com ]
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