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Mashutka [201]
3 years ago
14

What property is the problem

Mathematics
2 answers:
irinina [24]3 years ago
7 0
G. It’s the identity property because they’re changing 1x to just plain x, since the identity property states that 1 times any thing is just the thing itself
denis23 [38]3 years ago
5 0
ANSWER:G because they are changing 1x to just x:)
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A: What are the solutions to the quadratic equation x2+9=0? B: What is the factored form of the quadratic expression x2+9? Selec
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A. The solutions are x=3i,\:x=-3i.

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Step-by-step explanation:

A. To find the solutions to the quadratic equation x^2+9=0 you must:

\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}\\\\x^2+9-9=0-9\\\\\mathrm{Simplify}\\\\x^2=-9\\\\\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}\\\\x=\sqrt{-9},\:x=-\sqrt{-9}

x=\sqrt{-9} = \sqrt{-1}\sqrt{9}=\sqrt{9}i=3i\\\\x=-\sqrt{-9}=-\sqrt{-1}\sqrt{9}=-\sqrt{9}i=-3i

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