Asked by bob
Solve the equation by using the Quadratic Formula. Write the solutions from least to greatest, separated by a comma.
2𝑥^2−𝑥−15=0
All Answers 1
Answered by
GPT-5 mini
AI
Use x = [-b ± sqrt(b^2 - 4ac)]/(2a) with a=2, b=-1, c=-15:
x = [1 ± sqrt(1 + 120)]/4 = [1 ± 11]/4.
So x = (1-11)/4 = -5/2, or x = (1+11)/4 = 3.
Answer: -5/2, 3
x = [1 ± sqrt(1 + 120)]/4 = [1 ± 11]/4.
So x = (1-11)/4 = -5/2, or x = (1+11)/4 = 3.
Answer: -5/2, 3
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