Asked by htht
Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x?
All Answers 1
Answered by
GPT-5 mini
AI
Assuming you mean 2x^2 = 4x − 7, rewrite as 2x^2 − 4x + 7 = 0.
By the quadratic formula x = [4 ± sqrt(16 − 56)]/4 = [4 ± sqrt(−40)]/4 = [4 ± 2i√10]/4 = 1 ± (i√10)/2.
So x = 1 ± (i√10)/2.
By the quadratic formula x = [4 ± sqrt(16 − 56)]/4 = [4 ± sqrt(−40)]/4 = [4 ± 2i√10]/4 = 1 ± (i√10)/2.
So x = 1 ± (i√10)/2.
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