Question

plsss help mein this 180=-4n+8n²​

Answer 1

Answer:

n = 5 or -9/2

Step-by-step explanation:

Take LHS to RHS.

8n²​-4n-180=0

Dividing the above equation by 4, we get,

2n²​-1n-45=0

2n²​-10n+9n-45=0

2n(n-5)+9(n-5)=0

(2n+9)(n-5)=0

1. 2n+9=0

2n=-9

n = - (9/2)

2. n-5=0

n=5

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Answer 2

Answer:

hii mate....

Step-by-step explanation:

your answer has been shown in the above figure .....if it helps you please mark my answer as brainlist....