Question

what is the simplified form of each expression?
1.7m + 6.5n - 4n + 2.rn^2 - n

Answer 1

1. 7m² + 6.5n - 4n + 2.5m² - n

    7m² + 2.5m² + 6.5n - 4n - n

    9.5m² + 2.5n - n

    9.5m² + 1.5n = 1.7