Question

If one zero of quadratic polynomial x2 -x- (2+ 2k) is - 4, find the value of K.

Answer 1

Hi friend, hope this helps you. And best of luck for your board.

( - 4)² - (-4) - (2+2k)=0
16+4-2-2k=0
18-2k=0
2k = 18
K=9

Answer 2

here is the answer.... sorry first one is wrong