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omeli [17]
4 years ago
6

Write the expression-3x2+2y2+5xy-2y+5x2-3y2 in simplest form A how many terms are in the simplified expression? B how many terms

in the simplified expression negative
Mathematics
2 answers:
Komok [63]4 years ago
5 0

Answer with explanation:

The given expression which  we have to write in simplest form is:

 =-3x^2+2y^2+5 x y-2 y+5x^2-3y^2 \\\\=\text{Adding and subtracting like terms}\\\\=(-3 x^2+5 x^2)+(2 y^2-3 y^2)+5 x y-  2 y\\\\=2x^2-y^2+5 x y-2 y

→In the original expression there was , 6 terms and in the simplified expression , there are 4 terms.

→In the simplified expression, there are ,2 Negative terms.

Misha Larkins [42]4 years ago
3 0
If the twos mean squared...
2x^2-y^2+5xy-2y

4 terms
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Please help!! And pls show work
coldgirl [10]
<h3>The answer to your question is k (-3) = 21!</h3>

Here's how I got this answer:

<em><u>K(a) = 2a^2 - a </u></em>

<em><u>K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)</u></em>

<em><u>K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3</u></em>

<em><u>K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3</u></em>

<em><u>K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3K (-3) = 21</u></em>

I hope this helps!

Also sorry for the late answer, I just got the notification that you replied to my comment, I hope I came in time!

8 0
4 years ago
Solve kx- 4 = 9 for x.<br> ОА. x= 13 – к<br> Ов. х=<br> Ос. х- 13<br> Op. x = 13k
boyakko [2]

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