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Andreyy89
3 years ago
12

Which expression is equivalent to (n + 12) x 5+7n

Mathematics
2 answers:
SVEN [57.7K]3 years ago
6 0

Answer:

The required expression is 7n²+89n+60

Step-by-step explanation

To get the expression, we will multiply the two linear expression by opening the bracket to give a quadratic equation.

(n + 12) x (5+7n)

We will use the variable and the constant of n + 12 to multiply that of 5+7n to give;

(n + 12)(5+7n) = 5n + 7n² + 60 + 84n

Rearranging the equation gotten we will have;

7n²+84n+5n+60

= 7n²+89n+60 which is the required quadratic expression.

olga_2 [115]3 years ago
5 0
Is there any answer choices? I need the expressions to see which is equivalent to  <span>(n + 12) x 5+7n</span>
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