Answer:

Step-by-step explanation:
Given

Required
Express as a standard polynomial
We have:

Rewrite as:

Open bracket

Add like terms

Answer:
a
Step-by-step explanation:
snbxhchdjkakajiauzucucuhchxhdjdnsnananja
Answer:
Step-by-step explanation:
y=x+7.........(1)
y=3x+5.......(2)
Equating the two equations
3x +5 = x + 7
3x -x = 7 - 5
2x = 2
x = 2/2
x = 1
Putting x = 1 in (1)
y = x + 7
y = 1 + 7
y = 8
A reflection in the y-axis will reverse the x values but not change the y value
The answer is D. (-2,-5)