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Travka [436]
3 years ago
14

How do you simplify -3x+4xy+7x-15xy-2x

Mathematics
2 answers:
Lelu [443]3 years ago
7 0
The first thing you need to do, is put the like terms in order. So it would be, (-3x)-2x+7x-15xy+4xy.(basically the 4xy and 2x switch places, just take the sign that's in front of them with them.) Now you would combine the like terms. ((-3x)-2x+7x)-(15xy+4xy). Simplified, the new equation is 2x-19xy.
laila [671]3 years ago
7 0
Collect the like terms and it would give 2x-11xy
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What number should be added to the expression x^2 + 6x to change it into a perfect square trinomal
alexandr402 [8]
Hello.

The correct is answer is 9.

You have to do half of 6 (3) and then square it that equals 9

So it should be <span> x^2 + 6x +9

Have a nice day</span>
5 0
3 years ago
I need help on this ASAP so please help
In-s [12.5K]

Answer:

it’s 8 and 2 and 4 and 0

Step-by-step explanation:

this is because when you multiply 2x the x is an 8 so 2 times 8 is 16 then minus 2 is 14 which is greater than -4 same for my other answer

7 0
2 years ago
One disadvantage of the range is that ______
WARRIOR [948]

Answer:

a) only extreme values are used in its calculation.

Step-by-step explanation:

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8 0
3 years ago
In March, Derrick had $25.50 in credit card debt.
Snezhnost [94]

Answer:

-20.50?

Step-by-step explanation:

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8 0
3 years ago
Please help me<br><br> ( - 3 ) ( a + x ) , if a + 8, x = - 10
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Answer:

6

Step-by-step explanation:

-3 x (8 + [-10]) =

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6

HOpe that helps!

7 0
3 years ago
Read 2 more answers
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