Sagot :
2x(x-3) = 15
2x² - 6x - 15 = 0
We perform the Quadratic Formula:
x = 6 ± √(6²+120) = 6 ± √156 = 6 ± 2√39 = 3 ± √39
4 4 4 2
2x² - 6x - 15 = 0
We perform the Quadratic Formula:
x = 6 ± √(6²+120) = 6 ± √156 = 6 ± 2√39 = 3 ± √39
4 4 4 2