johnasiawilson00 johnasiawilson00

22-04-2021
Mathematics

contestada

Solve for x.
x2 - 49 = 0

A)0

B)+49

C)+49i

D)+7

Respuesta :

gayanepoghosyan gayanepoghosyan

22-04-2021

Answer:

x=±7

Step-by-step explanation:

x²=49

x=±7

Answer Link

adamuhumaira25 adamuhumaira25

22-04-2021

Answer:

D) +7

Step-by-step explanation:

x2-49=0

x2= +49

√x2= √+49

x= +7

Answer Link

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