lexconway12
lexconway12
19-07-2017
Mathematics
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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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