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max2010maxim [7]
3 years ago
14

Solve: 5x2 + 25x = 0

Mathematics
2 answers:
sammy [17]3 years ago
8 0

Answer:

x = -0.4

x = -(2/5)

Leto [7]3 years ago
8 0

Answer:

x = ± √5

Step-by-step explanation:

Please indicate exponentiation by using the symbol " ^ ":

5x^2 + 25x = 0

Divide all three terms by 5.  We get:

x^2 + 5 = 0, or x^2 = -5

Then x = ± √5

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Please explain fully and i give brainiest thanks and 5 stars
otez555 [7]

Answer:

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Step-by-step explanation:

The area of a rectangle is equal to A=l\cdot w, where l is the length of the rectangle and w is the width of the rectangle. In a rectangle, opposite sides are equal.

Therefore, we can write the following system of equations:

\begin{cases}a\cdot (9+b)=84,\\a\cdot b=21\end{cases}

Expand the first equation:

9a+ab=84

Substitute the second equation into the first (ab=21):

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Solving for b:

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3 years ago
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Step-by-step explanation:

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Answer:

yes

Step-by-step explanation:

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Step-by-step explanation:

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