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3 cards from this section. Quick, good the night before a test.
Add the polynomials (3𝑥 + 2) + (5𝑥 - 1).
Combine coefficients for x terms and constants.
Subtract the polynomials (7 + 3𝑥) - (4 + 5𝑥).
Don't forget to distribute the negative sign!
If you add (2𝑥 + 3) and (3𝑥 + 4), what do you get?
Add like terms carefully.
True or False: You can directly add terms with different variables.
Remember to check the variables before combining.
Given the polynomials (3𝑥² + 2𝑥 + 1) and (5𝑥 - 7), calculate the result of (3𝑥² + 2𝑥 + 1) - 2(5𝑥 - 7).
Don’t forget to distribute the -2 across (5𝑥 - 7) before combining.
If P(x) = (2𝑥² - 5𝑥 + 3) and Q(x) = (4 - 2𝑥² + 6𝑥), what is P(x) + Q(x)?
Combine same variable terms carefully.
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