Draw the graph of the polynomial f(x)=x^2+2x-3
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Answer:
The zeros ae 1 and 3
Step-by-step explanation:
x² + 2x - 3 = 0
x² + 3x - x - 3 = 0
x(x + 3) -1(x - 3) = 0
(x - 1)(x - 3) = 0
x - 1 = 0 ; x - 3= 0
x = 1 ; x = 3
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