The answers
1. XOZ
2. OY
3. O
Answer:
Option 1: XOZ
Option 2: OY
Option 3: O
Step-by-step explanation:
On edguenity...drop down menu :)
X/5 = - 1
5x3-6x2-4x+7...(a)
(5x3-12x+4)+ (6x2-4x+3)
15-12x+4+12-4x+3
5x3-6x2-4x+7
53
answers are A & C
because the '-' sign indicates it's under 0 and common sense shows the rest.