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Vedmedyk [2.9K]
3 years ago
10

3x^2 - 4x - 5x^2 + 8x simplify it please

Mathematics
1 answer:
Levart [38]3 years ago
3 0

3x^2 - 4x - 5x^2 + 8x

  • Set up

-2x^2 + 4x

  • Combine like terms

2x(-x + 2)

  • Take out a common factor

2x(2 - x)

  • Rearrange to remove a starting negative coefficient inside the parentheses

The simplification is \boxed{2x(2 - x)}.

You might be interested in
3^3 . x^2- 25 divided by 5 when x= 0.6
Alenkasestr [34]

Hey there!

3^3 * x^2 - 25 / 5

= 3^3 * 0.6^2 - 25 / 5

= 3 * 3 * 3 * 0.6 * 0.6 - 25 / 5

= 9 * 3 * 0.6 * 0.6 - 25 / 5

= 27 * 0.36 - 25 / 5

= 9.72 - 25 / 5

= 9.72 - 5

= 4.72


Therefore, your answer is: 4.72


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

7 0
3 years ago
Read 2 more answers
ANSWER ASSAPP !!!!!!!!!!!!
STatiana [176]

Answer:

A: 11,13, 290

B: 7,24,25

Step-by-step explanation:

A &B both form a right triangle not C

3 0
3 years ago
7. Cornerstone Bakery sold 78 pies on Monday, 96 pies on Tuesday, 40 pies on Wednesday, 104 pies on Thursday, and 77 pies on Fri
aleksley [76]
<span>In order to find the average, you have to find the total, and then divide by the amount of days, which in this case is 5. The total is 395/5 = 79. Therefore, the average number of pies sold each day is 79</span>
8 0
3 years ago
Pls help this is so harddd for meee
schepotkina [342]

Answer:

B

Step-by-step explanation:

Tell me if im right

:)

B because its on the y axis and thats what there asking for and its positive

6 0
2 years ago
Please help me
kifflom [539]

Answer:

Angle BCA is 74 degrees, angle MBC is 21, angle MCB is 37, and BMC is 122

Step-by-step explanation:

First off, MBC was an angle that was bisected by point M, meaning that if you took half of angle ABC, you would get your answer.

(0.5)(42)=21

Since you already have two angle measures, being ABC and BAC, you can find angle BCA by adding the two angle measures up, then subtracting by 180 to get your answer:

180=64+42+BCA, which your answer will be 74 degrees.

Now that you have found angle BCA, you take half of that angle measure to then find angle MCB, because point M bisected angles ABC, BAC, and BCA.

(0.5)(74)=37

Finally, since you have found the angles MBC and MCB, in order to find angle BMC you will have to do the same application for BCA:

180=21+37+BMC, which your answer will be 122 degrees.

Hope this helps!

7 0
3 years ago
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