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23jazzy
17.09.2019 •
Mathematics
simplify the expression (x^4+4x^3-5x-20)÷(x+4) using synthetic division. after doing the synthetic division, which gives you just coefficients. convert the coefficient quotient answer, into a polynomial with variable x and the correct exponent powers in it. convert your coefficient answer into a polynomial.
hint: remember to fill in any missing degree terms in your dividend with coefficients that are zero to represent missing place holders.
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Ответ:
The answer to your question is: (x³ - 5) (x + 4)
Step-by-step explanation:
x⁴ + 4x³ - 5x - 20 / x + 4 x = -4
1 4 0 -5 -20 -4
-4 0 0 +20
1 0 0 -5 0 = x³ - 5
Finally (x³ - 5) (x + 4) = x⁴ + 4x³ - 5x - 20
Ответ:
¢2,700
Step-by-step explanation:
6 pencils = ¢1,800.00
9 pencils = x
Cross multiplying
6x = 16200
x = 2700