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MaRussiya [10]
3 years ago
9

Factorise: x^{2} -49

Mathematics
1 answer:
nignag [31]3 years ago
7 0

Answer:

{x}^{2}  - 49 = 0  \\  {x}^{2}  = 49 \\ x  = \sqrt{49}  \\ x = 7

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