The answer for this question is 36
<span>2x^2 - 2x - 1 = 0 a = 2, b = -2, c = -1 b^2 - 4ac = (-2)^2 - 4(2)(-1) = 4 + 8 = 12
so the answer is 12
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Answer:
Answer: -7
Step-by-step explanation:
Answer:7
Step-by-step explanation:
16 rounded to the nearest number is 20 im not sure if i helped you though