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BEDMAS with integers and exponents
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Learn it BEDMAS still applies with negatives. Be careful: $-3^2 = -9$ (only 3 is squared), but $(-3)^2 = 9$.
Example: $(2 - 7)^2 - 3 \times (4 - 9)$
- Brackets: $2 - 7 = -5$ and $4 - 9 = -5$.
- Exponent: $(-5)^2 = 25$.
- Multiply: $3 \times (-5) = -15$.
- $25 - (-15) = 40$.
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