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SSSSS [86.1K]
3 years ago
6

Change x^2-2x-3 to intercept form

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0
The answer u have is correct how it is 
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Factor x^2+7x+10=0 plz
Musya8 [376]

Given:

x^2+7x+10=0

Since the quadratic equation is equal to 0, we need to solve for x. Let's factor. Since a ≠ 1, we can easily solve. We need to find out what factors of 10 add up to 7. I know that 5*2 = 10 and 5+2 = 7. This fits out problem perfectly. Now that we have that, we can simplify it into two binomials:

(x+2)(x+5)

Now, if it was not equal to zero, we would be done. However, we are not done. We need to set both terms equal to 0 to solve for x.

x+2=0

To isolate x, subtract 2 from both sides to cancel the +2 on the left.

x=-2

Let's do the other one:

x+5=0

Same thing, subtract 5 from both sides to isolate x.

x=-5

So, in conclusion, your solutions are:

x=-2

x=-5

6 0
3 years ago
PLEASE HELP IM DYING RN.<br>WHAT IS X? 6(x+2)=2(x-3)​
Iteru [2.4K]
Answer: x=-9/2
Alternative Form: x= -4 1/2, x= -4.5
7 0
3 years ago
Read 2 more answers
3. Identify the following as true or false. For those that are false, explain why they are false.
harkovskaia [24]

Answer:

a:false

b:true

c:true

Step-by-step explanation:

a:the sum of all the probabilities in the distribution must be equal to one.

My apologies if any are wrong.

4 0
3 years ago
Use double number lines to find the missing number. Write a percent proportion and solve each problem.
GaryK [48]
Your answer is: 63 is 90% of 70.

The work (if needed) is shown above :)

6 0
3 years ago
What's 26% of 600, I will give brainiest
Scrat [10]

Answer:

156

Step-by-step explanation:

Write 26% as

26

100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have

26

100

of 600 =

26

100

× 600

Therefore, the answer is 156

If you are using a calculator, simply enter 26÷100×600 which will give you 156 as the answer.

4 0
2 years ago
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