THE DIFFERENCE A PARENTHESIS MAKES #shorts #math #maths #mathematics

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I'm not the best at math, but I did really well in calculus. I'm pretty sure nobody will interpret -3² like she did on the bottom.

bjj
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The result is correct, but not the work she shows. It’s not -3 x 3. It’s (-1) x 3squared = (-1) x 9 = -9.

dubio