3 years ago

What must be added to2x² - 3 xy + 5yz to get x² - xy + y²

Mathematics

1 answer:

Artyom0805 [142]3 years ago

4 0

Answer:

-x² + y² + 2xy - 5yz

Step-by-step explanation:

"A" must be added to first expression to get the second one:

A + 2x² - 3 xy + 5yz = x² - xy + y²
A = ?

------------------------

A = x² - xy + y² - (2x² - 3 xy + 5yz) =
x² - xy + y² - 2x² + 3 xy - 5yz=
-x² + y² + 2xy - 5yz

You might be interested in

Which is one way to check 102 : 6 = 17?

MArishka [77]

Answer:

One way to check is 102 ÷ 6 = 17 is 100 ÷ 5 = 20.

7 0

3 years ago

Read 2 more answers

WHICH OF THE FOLLOWING COMPARISONS IS FALSE A. 4 LITERS < 1 GALLON B. 1 FOOT < 1 METER C. 25 GRAMS < 1 OUNCE D. 10 KILO

Kisachek [45]

Ummm search it up on google it should be on there

4 0

3 years ago

PLEASE HELP ASAP QUESTION ABOVE

ludmilkaskok [199]

Answer:

13230

Step-by-step explanation:

dk i thank this is it just do 7x7x6x9x5

freaked

5 0

3 years ago

Simplify the expression <br>-2.1(-7.8 + -1.6h) + -7h+ -2.7

Lena [83]

Answer:

-3.64h+13.68

Step-by-step explanation:

5 0

3 years ago

denis23 [38]

Answer:

C. 5units

Step-by-step explanation:

7 0

3 years ago

What must be added to2x² - 3 xy + 5yz to get x² - xy + y²​

What must be added to2x² - 3 xy + 5yz to get x² - xy + y²