a: (-2 4 [1 - (-12 .+3) + (-3 5)+3] -5}
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+3) + (-3 5) + 3 To simplify this, we need to perform the operations inside the brackets first. -12 .+ 3 = -9 (subtracting a negative number is the same as adding a positive number) -3 5 = -15 (multiplying a negative number by a positive number gives a negative Show more…
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