Answer:
<em>(C). {3} </em>
Step-by-step explanation:
= + ( x ≠ - 1 )
- + = 0
- = 0
= 0 ⇒ <em>x = 3</em>
x²-8x+ 14 =2x+7
x² - 8x +14 - 2x - 7 = 0
x² - 10x + 7 = 0
275.6
(275 for whole trees)