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Law Incorporation [45]
3 years ago
13

Expression equivalent?8x2 - 5x + 3x(4 - 2x)​

Mathematics
2 answers:
Setler79 [48]3 years ago
6 0

Answer:

x • (2x + 7)

Step-by-step explanation:

2.1     Pull out like factors :

  4 - 2x  =   -2 • (x - 2)

Equation at the end of step  2  :

 ((8 • (x2)) -  5x) +  -6x • (x - 2)

Step  3  :

Equation at the end of step  3  :

 (23x2 -  5x) +  -6x • (x - 2)

Step  4  :

Step  5  :

Pulling out like terms :

5.1     Pull out like factors :

  2x2 + 7x  =   x • (2x + 7)

aleksklad [387]3 years ago
5 0

Answer:

Step-by-step explanation:

8x² - 5x + 3x(4 - 2x) =8x² - 5x + 3x*4 - 3x*2x

= 8x² - 5x + 12x - 6x²

Now add the like terms

= 8x² - 6x² - 5x + 12x

= 2x² + 7x

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EastWind [94]

Answer:

-5,1

Step-by-step explanation:

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2 years ago
If the perimeter is always 36 cm, how could you draw the rectangle so that it has the maximum area?
Romashka-Z-Leto [24]

Answer:

Draw it with 9 cm for length and width.

Step-by-step explanation:

The product is the maximum area when the length and width are as close as possible, or equal to each other. Because length and width are 2 sides each, we can divide 36 by 4, which is 9.

9x9 = 81 cm^2. This is the largest area possible.

4 0
3 years ago
Plz help, I will mark brainliest
ad-work [718]
X > 10 Because if you remove the parenthesis and distribute 4 through the parentheses - 8x + 8 + 12. Then you add 8 and 12 which equals 20. Then you move the constant to the right-hand side and change its sign. You calculate 100 - 20 which give you 80 and divide then which gives you 10.

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7 0
3 years ago
Pls help me with this problem
Alchen [17]

Answer:

Angle A: 90

Angle B: 48

Angle C: 42

Side length A (Hypotinuse): 23.9

SIde length B (Opposite): 17.8

Side length C (Adjacent): 16

Step-by-step explanation:

https://www.calculator.net/triangle-calculator.html?vc=42&vx=&vy=&va=90&vz=16&vb=&angleunits=d&x=0&y=0

6 0
3 years ago
Solve (10b+7b^2-6b^3)-(12b^2-3b^3)
MrRa [10]

Answer:

-3b³ - 5b² + 10b

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define Expression</u>

(10b + 7b² - 6b³) - (12b² - 3b³)

<u>Step 2: Simplify</u>

  1. Distribute negative:                   10b + 7b² - 6b³ - 12b² + 3b³
  2. Combine like terms (b³):            -3b³ + 10b + 7b² - 12b²
  3. Combine like terms (b²):            -3b³ - 5b² + 10b
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3 years ago
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