3 years ago

(x+2)(x+3)(x+4)(x+5)-48

1 answer:

mylen [45]3 years ago

7 0

X^4+14x^3+71x^2+154x+72

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solniwko [45]

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WINSTONCH [101]

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x=19 so ∠A=113

Step-by-step explanation:

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Zinaida [17]

Answer:

x^3+3x^2+9x+27

Step-by-step explanation:

$\dfrac{x^4-81}{x-3}=\dfrac{(x^2-9)(x^2+9)}{x-3}=\dfrac{(x-3)(x+3)(x^2+9)}{(x-3)}\\\\=(x+3)(x^2+9)=x^3+3x^2+9x+27$

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a² -b² = (a -b)(a +b)

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lutik1710 [3]

Answer:

multiplucation problem

Step-by-step explanation:.

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