Is each statement below true or false? Justify your answer with a drawing. Write or “True” “False” in the space provided. 7. (3x2 + 2x 4) + (−x2 + 2x 3) = 2x2 + 4x 7 ___________________ − − − 8. (x2 2x) (−3x2 + 4x 3) = 6x 3 ____________________ − − − − − −2x2 9. (5x2 x + 6) (6x2 5x 1) (-x2 3x + 9) = x 2____________________ – − – − – – − − Extend your learning and thinking by drawing, simplifying, and solving the following problem. (−x2 3x 1) (x2 3x + (2x2 x + 1) (x2 x 1) + (x2 + x + 1) − − − − −1) − − − −
Is each statement below true or false? Justify your answer with a drawing. Write “True” or “False” in the space provided. 7. (3x2 + 2x − 4) + (−x2 + 2x − 3) = 2x2 + 4x − 7 ___________________ 8. (x2 − 2x) − (−3x2 + 4x − 3) = −2x2 − 6x − 3 ____________________ 9. (5x2 – x + 6) − (6x2 – 5x − 1) – (-x2 – 3x + 9) = − x − 2____________________ Extend your learning and thinking by drawing, simplifying, and solving the following problem. (−x2 − 3x − 1) − (x2 − 3x −1) + (2x2 − x + 1) − (x2 − x − 1) + (x2 + x + 1)