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Sergio [31]
2 years ago
14

Ok i got one somebody try and solve that ! yay −2×(−6)=?

Mathematics
1 answer:
ira [324]2 years ago
5 0

Hi!

Your answer is 12.

A negative times a negative equals a positive.

Hope This Helps!

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AleksAgata [21]
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3 years ago
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10-3v-1)=5(9-v) solve for v please show work
Aleksandr [31]

Answer:

v=18

Step-by-step explanation:

10-3v-1=5(9-v)

first open the bracket

10-3v-1=45-5v

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Solve for the exact value of x.
forsale [732]
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5² + 8² = x²
x² = 25 + 64
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Leno4ka [110]

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2 years ago
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What is the completely factored form of f(x)=x3+5x2+4x−6?
Gre4nikov [31]
f(x)=x^3+5x^2+4x-6
f(-3)=(-3)^3+5(-3)^2+4(-3)-6=0\implies x+3\text{ is a factor of }f(x)

Synthetic division yields

-3  |  1   5   4   -6
.    |      -3  -6    6
- - - - - - - - - - - - -
.    |  1   2  -2    0

which translates to

\dfrac{x^3+5x^2+4x-6}{x+3}=x^2+2x-2

with remainder 0. Now by the quadratic formula,

x^2+2x-2=0\implies x=\dfrac{-2\pm\sqrt{2^2-4(1)(-2)}}2=-1\pm\sqrt3

and so

f(x)=x^3+5x^2+4x-6=(x+3)(x-(-1+\sqrt3))(x-(-1-\sqrt3))
3 0
3 years ago
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