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Alguien me ayuda con estas ecuaciones puras? a) x²-49=0 b) x²-81=0 c) 10x²- 40=0

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User Jimbo
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1 Answer

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Answr:

a) x²-49 = 0 b) x²-81 = 0 c) 10x²- 40 = 0

Solucion:

RTA:

a)x=7,x=-7

b) x²-81 = 0:x =9,x=-9

c)10x²- 40 = 0 :x =2,x=-2

answered
User Milt
by
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