Mathematics, 25.09.2019 07:30, keke830

Add or subtract. simplify, show your work for each problem.
(7^2 + 4 − 26) − (−7^2 − 3 + 15)
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Add or subtract. simplify, show your work for each problem.
(7^2 + 4 − 26) − (−7^2 − 3 + 15)