lexconway12 lexconway12

19-07-2017
Mathematics

contestada

4x^2-30=0 solve quadratic equation

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Tinkerbell42 Tinkerbell42

19-07-2017

4 x squared minus 30 equals 0 .add 30 to both sides. then divide both sides by 4. x^2=7.5

4×7.5-30=0

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