What is 20 divided by 2
2 answers:
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Hope I work my brain.
Let the positive number be 
The expression is
⇒ expanding the bracket gives,
⇒ rearranging to equate one side to zero
⇒ Dividing each term by 7 to simplify
⇒ Factorising gives
and 
Hence, the first number is -5 and the second number is 3
The expression is
Hence, the first number is -5 and the second number is 3