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Use the given rational number. For example 5 and 9 Substitute the given rational number to x → x=5 X=9 Then do the foil method like this : →(x+5)(x+9) The answer is: x²+14x+45 Then find the quadratic term(a²), the constant term(bx) and also the linear term(c) → a=1 b=14 c=45
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