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Tanzania [10]
3 years ago
12

Solve (10b+7b^2-6b^3)-(12b^2-3b^3)

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

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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For what values of x is x^2 + 2x = 24 true?
maw [93]

Answer:

x = -6, x = 4

Step-by-step explanation:

<u>Step 1:  Factor</u>

<em>Subtract 24 from both sides</em>

x^2 + 2x- 24 = 24 - 24

x^2 + 2x - 24 = 0

<em>Make two different x's</em>

x^2 + 2x - 24 = 0

x^2 + 6x - 4x - 24 = 0

<em>Make two different parenthesis</em>

x^2 + 6x - 4x - 24 = 0

(x + 6)(x - 4) = 0

<em>Step 2:  Solve for x in both equations</em>

x + 6 = 0

x + 6 - 6 = 0- 6

x = -6

x - 4 = 0

x - 4 + 4 = 0 + 4

x = 4

Answer:  x = -6, x = 4

6 0
3 years ago
2log2 8 – 3 logs 25 + 2x = log 10,000<br> may you show the steps please
anzhelika [568]

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Step-by-step explanation:

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8 0
3 years ago
Help me with this I need help asap!
GuDViN [60]

Answer:

29.5

Step-by-step explanation:

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3 0
2 years ago
Use the area formula A = lw to write a formula for the length / of baking sheet shown.
mixer [17]

Answer:

l = A / w

Step-by-step explanation:

Given:

A = lw

Where,

A = area

l = length

w = width

write a formula for the length

A = lw

Divide both sides by w

A / w = lw / w

A / w = l

It can also be written as

l = A / w

That is, length = Area / width

However, no baking sheet is shown

The formula to find the length of the baking sheet = Area / width

8 0
3 years ago
What is the length of side AC of the triangle?
Aleonysh [2.5K]
X=2, and line AB is 15, line BC is 15, and line CA, is 19
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