Solve for x: x2 - 4x – 12=0 when x EN!
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= > X2-6x+2x-12=0
x(x-6)+2(x-6)=0
(x-6)(x+2)=0
x-6=0 or x+2=0
x=6 or x=-2
x(x-6)+2(x-6)=0
(x-6)(x+2)=0
x-6=0 or x+2=0
x=6 or x=-2
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Answer:
x= 6 or x= -2
Step-by-step explanation:
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