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liraira [26]
2 years ago
9

What is this equation factored49x²-1​

Mathematics
1 answer:
Natali [406]2 years ago
5 0
The answer should be (7x+1)(7x-1)
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Step-by-step explanation:

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amber deposits $870 in an account that has a simple interest rate of 8% per year. After 5 years, how much interest will Amber ha
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4 0
2 years ago
7x - 20 = 2x - 3(3x + 2)
kirill [66]

Answer:

7x-20=2x-3(3x+2)

We move all terms to the left:

7x-20-(2x-3(3x+2))=0

We calculate terms in parentheses: -(2x-3(3x+2)), so:

2x-3(3x+2)

We multiply parentheses

2x-9x-6

We add all the numbers together, and all the variables

-7x-6

Back to the equation:

-(-7x-6)

We get rid of parentheses

7x+7x+6-20=0

We add all the numbers together, and all the variables

14x-14=0

We move all terms containing x to the left, all other terms to the right

14x=14

x=14/14

x=1

   

   

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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