Expression 1
6 x 7 - 3² - 9 x 9 + 4³
Expression 2
5 + 4² + 6 - 2² - 1
Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.
Explain in full sentences how you know that with your parentheses that Expression 2 is equal to 19.
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