Lesson 5: adding and subtracting polynomials
words to know
examples
tips
Group like terms
You can only combine terms with same exponents
Add the opposite if that is easier than subtracting
You can only combine terms with same exponents
Add the opposite if that is easier than subtracting
extra examples
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problems of the day
1. Find (6x^3 - 4) + (-2x^3 + 9)
2. Find (8y - 10 + 5y^2) - (7 - y^3 + 12y)
2. Find (8y - 10 + 5y^2) - (7 - y^3 + 12y)