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2x2−4x−16=0
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Solution
x=−2,x=4
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Solution steps
Solve by:
Factoring method
Factoring method
Quadratic formula
Completing the square
One step at a time
2x2−4x−16=0
Factor 2x2−4x−16:2(x+2)(x−4)
2(x+2)(x−4)=0
Using the Zero Factor Principle: If ab=0then a=0or b=0