MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
When there is a subtraction sign between two polynomials, you can think of it as adding the opposite of the second polynomial. Alternatively, you could multiply each term in the second polynomial by negative one and combine the resulting like terms. Subtract the coefficients, or numbers out front, but leave the exponents unchanged when you combine the like terms.
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