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Anit [1.1K]
3 years ago
13

What method would you choose to solve the equation? 4x^2-48=0

Mathematics
1 answer:
melamori03 [73]3 years ago
6 0
I'd definitely factor 4x^2-48 first.  Factors are (4)(x^2-12).

This factors further:                                         (4)* (x-2sqrt(3) ) * (x+2sqrt(3) )
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F(x)=(x+4)(x-2)(x+4)(x+4)<br><br> What is the multiple zero? Multiplicity is?
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f(x)=(x+4)(x-2)(x+4)(x+4)\\f(x)=(x+4)^3(x-2)=0\\(x+4)^3=0~|~(x-2)=0\\(x+4)(x+4)(x+4)=0~|~x=2\\x=-4,2

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What is 624 divide by 27
mihalych1998 [28]

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John can clean pools at a constant rate of 3/5 pools/hours. How many pools can John clean in 10 hours?
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