Math, asked by ar437, 1 year ago

solve...........................??????????

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Answered by harshisingh
3
x
x {2}  - 21x - 2x  + 42 \\ x (x - 21) - 2(x - 21) \\ (x - 21)(x - 2) \\ then \: x = 21 \: and \: x = 2..
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