which of the following quadratic equations cannot be factored?
a. x² + 3x + 2= 0
b. x² + 4x + 4= 0
c. x² + 3x -18 = 0
d. x² + 2x - 1 = 0
a. x² + 3x + 2= 0
b. x² + 4x + 4= 0
c. x² + 3x -18 = 0
d. x² + 2x - 1 = 0
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Answers & Comments
Answer:
Letter D
Step-by-step explanation:
because when we factor the product -1, it can't had the same as the sum of 2x