Mathematics, 23.07.2019 11:30, aide1234564

Expression 1: 6 x 7 - 3² - 9 x 9 + 4³ expression 2: 5 + (4² + 6 - 2²) -1 a. what is the value of expression 1? b. insert parentheses in expression 2 so that it has a value of 22. then show why your expression has a value of 22. c. explain in full sentences how you know that with your parentheses that expression 2 is equal to 22.

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Expression 1: 6 x 7 - 3² - 9 x 9 + 4³ expression 2: 5 + (4² + 6 - 2²) -1 a. what is the value of e...