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Otrada [13]
3 years ago
10

Solve for X: 25x^2+144=0

Mathematics
1 answer:
hram777 [196]3 years ago
5 0

Answer: x = 12i/5 , -12i/5

Step-by-step explanation: Isolate the variable by dividing each side by factors that done't contain the variable.

Hope this helps you out! ☺

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mash [69]

Step-by-step explanation:

When you multiply both sides by a negative value you make the side that is greater have a "bigger" negative number, which actually means it is now less than the other side! This is why you must flip the sign whenever you multiply by a negative number.

6 0
4 years ago
Complete the solution of the equation. Find the<br> value of y when x equals -8.<br> 3x + 5y = -59
Dafna1 [17]

Answer:

y = -7

Step-by-step explanation:

To answer this question, we must first plug in -8 for x:

3(-8) + 5y = -59

-24 + 5y = -59

+24           +24

5y = -35

/5      /5

y = -7

Hope this helps :)

7 0
3 years ago
Read 2 more answers
Solve for x: (x+a)(x-b) = x^2 -1 <br><br> How do I solve this ?
Sveta_85 [38]

You must factor.

x^2-1=(x+1)(x-1)

The factored form is equal to the assigned form.

(x+1)(x-1)=(x+a)(x-b)

Values a, b correspond to the factored 1, -1.

Value of x however remains unknown. But we can change that.

Given factored result,

(x+1)(x-1)

We can set expression equal to 0 then find such x that when added with number a or b results with 0.

(x+1)(x-1)=0

Hence x has 2 solutions.

x+1=0\Rightarrow\boxed{x_1=-1} \\x-1=0\Rightarrow\boxed{x_2=1}

Hope this helps.

6 0
3 years ago
Read 2 more answers
One jar of crushed ginger costs $2. How<br> many jars can you buy for $4?
Lina20 [59]

Answer:

2 jars

Step-by-step explanation:

If one jar costs $2 and you have $4 then $2+$2=$4

8 0
2 years ago
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irina [24]

Answer:

the expected value is 300

4 0
4 years ago
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