How do you solve $7n ^ { 2} - 26n + 22= 8n - 2$ ?

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How do you solve $7n ^ { 2} - 26n + 22= 8n - 2$ ?

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Answer 1 · 2018-04-04T14:36:54

$n=6/7$

$n=4$

Explanation:

$7n^2-26n+22=8n-2$
Subtract 8n and add 2 to both sides:
$7n^2-34n+24=0$
Slide and divide:
$n^2-34n+168=0$
$(n-6)(n-28)=0$
$(7n-6)(n-4)=0$
Solve:
$7n-6=0$

$n=6/7$

$n-4=0$

$n=4$

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How do you solve $7n ^ { 2} - 26n + 22= 8n - 2$ ?

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How do you solve $7n ^ { 2} - 26n + 22= 8n - 2$ ?