Help pls this thing has to be 20 characters sooooo
2 answers:
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Answer:
2nd option
Step-by-step explanation:
trinomial is 2x² + 10x -4 = 0
a = 2
b = 10
c = -4
(-b±√b²-4ac) / 2a
= [-10±√100-4(2)(-4)] / 2
= (-10±2) / 4
= (-5+)/2, = (-5-
)/2 (simplified)