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KATRIN_1 [288]
3 years ago
14

Factor completely 49x2 − 9.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0

Answer: (7x + 3)(7x -3)

Step-by-step explanation:

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What is the value of b?
Natalija [7]
b=180-90-51=39
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3 years ago
What is the solution of 2m=-6n-5 when n=1,2,3
Travka [436]

Answer:


Step-by-step explanation:

Simplifying

2m + -6n + 5n + 3m = 0


Reorder the terms:

2m + 3m + -6n + 5n = 0


Combine like terms: 2m + 3m = 5m

5m + -6n + 5n = 0


Combine like terms: -6n + 5n = -1n

5m + -1n = 0


Solving

5m + -1n = 0


Solving for variable 'm'.


Move all terms containing m to the left, all other terms to the right.


Add 'n' to each side of the equation.

5m + -1n + n = 0 + n


Combine like terms: -1n + n = 0

5m + 0 = 0 + n

5m = 0 + n

Remove the zero:

5m = n


Divide each side by '5'.

m = 0.2n


Simplifying

m = 0.2n

7 0
3 years ago
Consider the equation 3x + 1 = 2x + 5
fomenos
You can’t technically solve it because there’s no question
3 0
3 years ago
How can the quotient for problem 2 help you find the quotient for problem 3 ? Problem 2:5 divided by 20 =4 & problem 3: 4 di
ozzi
It helps you because it's the same fact family
8 0
4 years ago
Round 7412 to the nearest thousand
FrozenT [24]
The answer for your problem is gonna be 7000
8 0
3 years ago
Read 2 more answers
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