Question

10n−2n²
+28=0

can anyone please solve this...above..correct answer will be marked brainliest
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Answer 1

Step-by-step explanation:

10n-2n²+28=0

-2(-5n+n²-14)=0

n²-5n-14=0

n²-7n+2n-14=0

n(n-7)+2(n-7)=0

(n-7)(n+2)=0

n-7=0,n+2=0

n=7,-2Answer

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