Expression step - by - step:
-7 x 7 + 9 x -1 / -1 =
-49 + 9 x -1 / -1 = → Solve for -7 x 7
-49 + 9 x 1 = → Solve for -1 / -1
-49 + 9 = → Solve for 9 x 1
-49 + 9 = → Solve final operation
-40
Answer:
[tex] \boxed{\bf~The~evaluated~expression~is~-40} [/tex]
Hope it helped,
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