Question

if one of the zeros of the polynomial x square minus x minus 2 k + 2 is minus 4 find k​

Answer 1

Step-by-step explanation:

• xsquare-x-2k+2
• substitute (-4)
• (-4)square + 4-2k+2
• 16+4-2k+2
• 20+2-2k
• 22-2k
• 22=2k
• k=11