Use the GCF of the terms to write the expression as the product of two factors with integer coefficients. -2x^3 - 4x^2 + 4x
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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