Question

find 15x²-11x+ 2 by formula method

ïs the above answer is ✓ or ×​

Answer 1

Answer:

Step-by-step explanation:

it is not right. you should have 11 instead of -11 because b = -11 and

-b = 11. the roots are (11 - 1)/30 = 10/30 and (11 + 1)/30 = 12/30, that is, the roots are 1/3 and 2/5.