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OpenStudy (anonymous):
simplify 3x^2+4y^2-(5x^2-7y^2-1)
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OpenStudy (callisto):
bahrom7893 has helped you
OpenStudy (anonymous):
It's basically 3x^2 - 5x^2 + 4y^2+ 7y^2 + 1
OpenStudy (anonymous):
Which gives you -2x^2 +11y^2 +1
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