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Solve the following questions.1) Use the factor theorem to determined whether x + 3 is a factor of x2 + 2x - 3 or not.​

Answer»

ANSWER:

x + 3 \:  \: is \:  \: a \:  \: factor \:  \: of \:  \:  {x}^{2}  + 2x - 3 \\

Step-by-step EXPLANATION:

{x}^{2}  + 2x - 3 \\  {x}^{2}  + 3x - x - 3 \\ x(x + 3) - 1(x + 3) \\ (x + 3)(x - 1)



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