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oksian1 [2.3K]
3 years ago
15

What does subtracting a negative do ?

Mathematics
2 answers:
jeyben [28]3 years ago
7 0
Do?  I'd answer by saying that subtracting a negative quantity is equivalent to adding the magnitude of that quantity.  For example, 2 - (-3)  = 2 + 3  = 5.

A negative sign in front of another actually calls up addition.
salantis [7]3 years ago
4 0
If you subtract negative from negative the answer will be positive if u subtract a nevagative from a positive it will become a negative.
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White raven [17]

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Step-by-step explanation:

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3 years ago
Factorize 2x^4-7x^3-13x^2+63x-45 using factor theorem.
zheka24 [161]
Find the possible rational roots and use synthetic division to find the first zero.
I chose x=1 (which represents the factor "x-1")

1║2  -7  -13    63  -45
  ║     2    -5  -18    45
    2  -5  -18    45    0
(x-1) is a factor, (2x³ - 5x² - 18x + 45) is the other factor.

Use synthetic division on the decomposed polynomial to find the next zero.
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3║2  -5  -18    45 
  ║     6     3   -45   
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Using synthetic division, we discovered that (x-1), (x-3), & (2x² + x -15) are factors.  Take the new decomposed polynomial (2x² + x -15) and find the last two factors using any method.

Final Answer: (x-1)(x-3)(x+3)(2x-5)




8 0
3 years ago
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Ksivusya [100]

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4(-8x+5) = -32 x 26

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6 0
2 years ago
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