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X+y=-4 x-y=2 use elimination with adding and subtraction
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Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.
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How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?
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Simplify [20 – (3 + 4) • 2]...
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