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Why lim x to -3 (x^2) is 9 and not -9???? if when a negative odd number is squared the answer is negative? i don't understand factoring cases. here's the whole exercise lim x to -3 (x^2-2x+4)

Respuesta :

JeraldSwartz

Answer:

[tex]\lim_{x \to -3} x^{2} -2x+4[/tex] = 19

Step-by-step explanation:

[tex](-3)^{2} - 2(-3) + 4 = 9 + 6 + 4 = 19[/tex]

remember, when you multiply two negative number you obtain a positive result.

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