If x=2x = 2x=2 is a root of 3x2+bx−10=03x^2 + bx - 10 = 03x2+bx−10=0, what is the value of bbb?
b=−1b = -1b=−1
b=1b = 1b=1
b=−5b = -5b=−5
b=5b = 5b=5