Mathematics: Use long division to find the quotient. (x²+6x-27) ÷ (x-3)

Use long division to find the quotient. (x²+6x-27)

Ответ:

marrizza7

01.01.2022

$\frac{ x^2+6x-27 }{x-3} = \frac{ x^2+6x +3x-3x-27 }{x-3} = \frac{ x^2+9x-3x-27 }{x-3} = \\ \\ =\frac{ x(x +9 )-3(x+9) }{x-3} = \frac{ (x +9 ) (x-3) }{x-3} = x+9 \\ \\ \\ x-3\neq 0 \\x\neq 3\\D=R\setminus \left \{ 3 \right \}$

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Ответ:

shirlsmith72

05.03.2022

Mathematics

23x+2

Step-by-step explanation:

4*5=20

20*x=20

3x+20x=23x

23x+2

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Use long division to find the quotient.
(x²+6x-27) ÷ (x-3)

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