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Goryan [66]
3 years ago
13

Solve the quadratic equation for x. 3x2+12x=0 x = or x =

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

x=0, x=-4

Step-by-step explanation:

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Expand and simplify
Blababa [14]
<h2>Question:</h2>

→To simple the given equations

  • ( 2x + 1 ) + 5x
  • ( x + 3 ) ( x + 4 )
  • ( x + y ) ²
  • ( 2x + 1 ) ( x - 3 )
<h2 /><h2>Answer:</h2>

<h3>Part 1:</h3>

\green{step \: 1}

→3 ( 2x + 1 ) + 5x

\green{step \: 2}

→6x + 3 + 5x

\green{step \: 3}

→\blue{11x + 3✓}

<h3>part 2:</h3>

\green{step \: 1}

→( x + 3 ) ( x + 4 )

\green{step \: 2}

→{x}^{2}  + 4x + 3x + 12

\green{step \: 3}

→\blue{ {x}^{2}  + 7x + 12✓}

<h3>part 3:</h3>

\green{step \: 1}

→( x + y ) ^2

\green{step \: 2}

→\blue{{x}^{2}  +  {y}^{2}  + 2xy✓}

<h3>part 4:</h3>

\green{step \: 1}

→( 2x + 1 ) ( x - 3 )

\green{step \: 2}

→2 {x}^{2}  - 6x + x - 3

\green{step \: 3}

→\blue{2 {x}^{2}  - 5x - 3✓}

<u>★</u><u>What do you mean by simplifying an equation:</u>

  • Simplifying an evaluation means to solve any difficult or easy equation in as simple form as possible .

<u>★</u><u>Steps we can do to simplify the equation:</u>

  • Open brackets/parentheses to make the equation more simplified.

  • Add /subtract numbers or numbers with same variable/constant.

thankyou ❤️

3 0
2 years ago
Arrange the following from least to greatest 0.08,0.1, 1.8, 0.049, 0.103
8_murik_8 [283]
0.049, 0.08, 0.1, 0.103, 1.8.
3 0
2 years ago
Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21​
lawyer [7]

Answer:

7y = 56

Step-by-step explanation:

3(y - 1) = 21

Divide 3 on both sides:

y - 1 = 7

Add 1 to both sides:

y = 8

Multiply by 7 on both sides:

7y = 56

8 0
3 years ago
How to get the greatest common of 45 and 81
erastova [34]
Find the factors and get the ones common to both of them

45=3 times 3 times 5
81=3 times 3 times 3 times 3
so the factors common to both are 3 times 3 which is 9




5 0
3 years ago
Read 2 more answers
What is the length of segment PR?<br> Р<br> 6<br> 4<br> 2<br> R<br> A. 3<br> B. 4<br> C. 5<br> D. 8
sveta [45]

Answer:

I can't understand it the way you put it, you should have added a picture or something, I can't understand it at all.

8 0
3 years ago
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