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san4es73 [151]
3 years ago
6

-1/15 +(-3/5)=, show ur work plz

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
5 0
Answer: -2/3

-1/15 + (-3/5)
-1/15 - 3/5

-3/5 = -9/15

-1/15 - 9/15 
-10/15 
-2/3 
Nata [24]3 years ago
3 0
You need to put dominators as same number

so 5 can be 15

-1/15 -( -3/5)
-1/15- (-3x3/5x3)
-1/15 -(-9/15)
-1 +9 =8
             /
              15
=8/15
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julia-pushkina [17]

Answer:

12x^4-20x^2+32x=4x(3x^3-5x+8)

Step-by-step explanation:

<u>Common Factors</u>

An algebraic expression that is formed by sums or subtractions of terms can be factored provided there are numeric or variable common factors in all the terms.

The following expression

Z=12x^4-20x^2+32x

Can be factored in the constants and in the variable x.

1. To find the common factor of the variable, we must locate if the variable is present in all terms. If so, we take the common factor as the variable with an exponent which is the lowest of all the exponents found throughout the different terms. In this case, the lowest exponent is x (exponent 1).

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12 - 20 - 32

and find the greatest common divisor of them, i.e. the greatest number all the given numbers can be divided by. This number is 4, since 12/4=3, 20/4=5 and 32/4=8

3. The factored expression is

Z=12x^4-20x^2+32x=4x(3x^3-5x+8)

\boxed{12x^4-20x^2+32x=4x(3x^3-5x+8)}

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