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factor 2x^2-4x-16=0

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2x²−4x−16=0

Solution

x=−2, x=4

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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=0 then a=0 or b=0

x+2=0 or x−4=0

Solve x+2=0: x=−2

Solve x−4=0: x=4

The solutions to the quadratic equation are:

x=−2, x=4

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+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
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factor 2x^2-4x-16=0

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