add the following:-
Answers
Answer:
your answer in the above picture thanks
Answers:
(1)
H T O
x - 3y - 2z
5x + 7y - z
-7x - 2y + 4z
________________
First we can add the terms in ones place:
= -2z + (-z) + 4z
= -3z + 4x
= z
Now we can add the terms in the tens place:
= -3y + 7y - 2y
= -5y + 7y
= 2y
Last, we can add hundreds place:
= x + 5x - 7x
= 6x - 7x
= -x
So the answer is:
-x + 2y + z
(2)
H T O
m² - 4m + 5
-2m² + 6m - 6
-m² - 2m - 7
_________________
First we can add the terms in ones place:
= 5 - 6 - 7
= 5 - 13
= -8
Now we can add the terms in the tens place:
= -4m + 6m - 2m
= -6m + 6 m
= 0
Last, we can add hundreds place:
= m² - 2m² - m²
= -2m²
So the answer is:
= -2m² + 0 - 8
-2m² - 8
(3)
H T O
2x² - 3xy + y²
-7x² - 5xy - 2y²
4x² + xy - 6y²
_______________
First we can add the terms in ones place:
= y² - 2y² - 6y²
= y² - 8y²
= -7y²
Now we can add the terms in the tens place:
= -3xy - 5xy + xy
= -8xy +xy
= -7xy
Last, we can add hundreds place:
= 2x² - 7x² + 4x²
= 6x² - 7x²
= -x²
So the answer is:
- x² - 7xy - 7y²
(4)
H T O
4xy - 5yz - 7zx
-5xy + 2yz + zx
-2xy - 3yz + 3zx
_______________
First we can add the terms in ones place:
= -7zx + zx + 3zx
= -7zx + 4zx
= -3zx
Now we can add the terms in the tens place:
= -5yz + 2yz - 3yz
= -8yz + 2yz
= -6yz
Last, we can add hundreds place:
= 4xy - 5xy - 2xy
= 4xy - 7xy
= -3xy
So the answer is:
-3xy - 6yz - 3zx
★ Final Answers:
1) -x + 2y + z
2) -2m² - 8
3) -7y² - 7xy - x²
4) -3xy - 6yz - 3zx