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Vlada [557]
3 years ago
9

Simplify the expression: x2+x(x-5)-x+7

Mathematics
1 answer:
exis [7]3 years ago
3 0
So to solve this equation we need to simplify the expression like so,
First write out the equation (I assume that you mean x2 as 2x)
2x+x(x-5)-x+7
Distribute
2x+x^2-5x-x+7
Combine like terms
-4x+x^2+7
And thats it! Enjoy!=)
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Answer:

10 units

Step-by-step explanation:

In this equation the parenthesis act as a multiplier, so you take w(2w + 2) = 40.

the variable w represents the number 1, so you multiply the numbers within the parenthesis.

w x 2w = 2w

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so now you have 2w + 2w = 40

add the w's for 4w = 40

Now you need to get rid of the number next to the W.

divide the four from the W and divide the 40 as well

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40/4 = 10

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7 0
3 years ago
What is 5y−4=−3x in standard form?
Dafna11 [192]

Answer:

5y+3x=4

Step-by-step explanation:

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I hope this helps and please don't hesitate to ask if there is anything still unclear!

8 0
3 years ago
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Answer:

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3 0
3 years ago
Read 2 more answers
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marin [14]
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Slope is change in Y over change in X

Change in y: 1-3 = -2
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7 0
4 years ago
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