Math question: The displacement vector A has a magnitude of 5 units and points in the positive x-direction. The displacement vector B has a magnitude of 3 units and points in the negative y-direction. What is the resultant displacement vector?
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Math Question: Find the derivative of f(x) = 5x^2 - 3x + 7 using the basic rules of derivatives.
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Math question: Use factoring and distributive property to simplify 3x² + 6xy - 5xz + 9xy - 18yz - 15xz.