Asked by bob

Solve the equation by using the Quadratic Formula. Write the solutions from least to greatest, separated by a comma.

2⁢𝑥^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