Answer:
i dont ethier ;i
Step-by-step explanation:
Answer:
(D) 10x² +2x - 9
Step-by-step explanation:
3x² + 2x - 5
<u>+ 7x² - 4</u>
10x² +2x - 9
3k - (k-2) = (k-2) - (k+7) 3k = (k-2) - (k+7) + (k-2) 3k = 2(k-2) - (k+7) 3k = 2k - 4 - k - 7 3k = k - 11 2k = -11
k = -5.5
Answer:
i have no idea
Step-by-step explanation:
I need a graph or something
