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natta225 [31]
3 years ago
11

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

Mathematics
2 answers:
sergeinik [125]3 years ago
7 0

Answer:

D) +7

Step-by-step explanation:

x2-49=0

x2= +49

√x2= √+49

x= +7

Vaselesa [24]3 years ago
4 0

Answer:

x=±7

Step-by-step explanation:

x²=49

x=±7

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