2g3 + 6g2 4 – + g3 g 3 – – 3g3 + 6g2 g 7 – – Subtract Polynomials (Group Like Terms - Horizontal Method) Example: (4x2 + 5) (-2x2 + 4x -7) – (Add the inverse.) = (4x2 + 5) + (2x2 4x +7) – = 4x2 + 5 + 2x2 4x + 7 – (Group like terms and add.)
2g3 + 6g2 – 4 + g3 – g – 3 3g3 + 6g2 – g – 7 Subtract Polynomials (Group Like Terms - Horizontal Method) Example: (4x2 + 5) – (-2x2 + 4x -7) (Add the inverse.) = (4x2 + 5) + (2x2 – 4x +7) = 4x2 + 5 + 2x2 – 4x + 7 (Group like terms and add.)
alg-1-vocab-cards-2016.docx