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Solve for x. x2 - 49 = 0 A)0 B)+49 C)+49i D)+7
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3 votes
Solve for x.
x2 - 49 = 0

A)0

B)+49

C)+49i

D)+7

User Eudemonics
by
6.3k points

2 Answers

2 votes

Answer:

D) +7

Explanation:

x2-49=0

x2= +49

√x2= √+49

x= +7

User Sabrina
by
6.5k points
4 votes

Answer:

x=±7

Explanation:

x²=49

x=±7

User Srinivasan
by
6.6k points
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