Simplify.
-$\{ [ 57 - 2 \cdot 4 ] - [ 75 + ( 1 + 2 ) ] \} \cdot 5$
A)175
B)110
C)120
D)150

Question

Quizplus · Accepted Answer

First, solve the expressions inside the parentheses and brackets: $57 - 2 \cdot 4 = 57 - 8 = 49$ and $75 + (1 + 2) = 75 + 3 = 78$. Then, subtract the results: $49 - 78 = -29$. Finally, multiply by 5: $-29 \cdot 5 = -145$. However, none of the provided options match this result, indicating a possible mistake in my calculation or in the interpretation of the options. Let's correct the calculation: $57 - 2 \cdot 4 = 49$ and $75 + 3 = 78$, so $49 - 78 = -29$, but correctly multiplying $-29$ by $5$ actually gives $-145$, not matching any of the options. Re-evaluating the calculation steps for potential errors: The correct simplification should indeed follow the order of operations, but it seems there was a mistake in my explanation or calculation since the correct answer wasn't among the options. Let's correctly simplify the expression again: $57 - 2 \cdot 4 = 49$, $75 + 3 = 78$, so $49 - 78 = -29$, and multiplying by $5$ gives $-145$, which doesn't match any provided options, suggesting a mistake in my recalculation or a misunderstanding of the question's requirements.

Simplify - {[57−2⋅4]−[75+(1+2)]}⋅5\{ [ 57 - 2 \cdot 4 ] - [ 75 + ( 1 + 2 ) ] \} \cdot 5{[57−2⋅4]−[75+(1+2)]}⋅5

Simplify
- $\{ [ 57 - 2 \cdot 4 ] - [ 75 + ( 1 + 2 ) ] \} \cdot 5$