6.3 ADDING/SUBTRACTING POLYNOMIALS Remember that a POLYNOMIAL is made by adding or subtracting two or more MONOMIALS 12 - 7xy -2x2y3 + Monomial Monomial Monomial Polynomial

6.3 ADDING/SUBTRACTING POLYNOMIALS When adding or subtracting polynomials, you can only combine LIKE TERMS. LIKE TERMS LIKE TERMS LIKE TERMS must have the same variables AND exponents.

6.3 ADDING/SUBTRACTING POLYNOMIALS When adding or subtracting polynomials, you can only combine LIKE TERMS.

Examples #1 #2

Adding Entire Expressions 4 𝑥 2 −3𝑥+5 − 4𝑥−7 𝑥 2 +1 #3 = −4𝑥 +7 𝑥 2 −1 Expand each bracket (multiply) Then add up the LIKE terms. = 11 𝑥 2 −7𝑥 +4

Examples #4