Answer:
Step-by-step explanation:
Let the number be .
The number is 5.
The answer is D
You just move all numbers to the left and set it equal to 0
And then you add all same variables together
After that you use the quadratic formula
Answer:
4y²-7y+16yz+28z
Step-by-step explanation:
4y²-7y+16yz+28z