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nataly862011 [7]

2 years ago

13

Colin had b books. Then he went to a book sale and bought 35 more books. Choose the expression that shows how many books Colin h

as now.

2 answers:

sweet [91]2 years ago

6 0

Answer:

b + 35 = ??

Step-by-step explanation:

or something like that you would do b plus 35 to find how much he has now.

stich3 [128]2 years ago

5 0

Answer:

b + 35 = x (or any other variable)

Step-by-step explanation:

\

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P(x)= 3x^3-5x^2-14x-4

nexus9112 [7]

$\displaystyle\\
P(x)=3x^3-5x^2-14x-4\\\\
D_{-4}=\{-4;~-2;~\underline{\bf -1};~1;~2;~4\}\\\\
\text{We observe that } \frac{-1}{3} \text{ is a solution of the equation:}\\
3x^3-5x^2-14x-4=0\\\\
$

$\displaystyle\\
\text{Verification}\\\\
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=-\frac{1}{9}-\frac{5}{9}+\frac{14}{3}-4=\\\\
=-\frac{6}{9}+\frac{14}{3}-4=\\\\
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$\displaystyle\\
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3x^3+x^2 - 6x^2-2x-12x-4=0\\
x^2(3x+1)-2x(3x+1) -4(3x+1)=0\\
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x_1 =1+\sqrt{5}\\
x_2 =1-\sqrt{5}\\
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