N^2- 5n +4=0 quadratic equation
2 answers:
Answer:
n = 1, 4
Step-by-step explanation:
Step 1: Write equation
n² - 5n + 4 = 0
Step 2: Solve for <em>n</em>
<u>Factor:</u> (n - 4)(n - 1) = 0
<u>Find roots:</u> n = 1, 4
Step 3: Check
<em>Plug in n to verify if it's a solution.</em>
1² - 5(1) + 4 = 0
1 - 5 + 4 = 0
-4 + 4 = 0
0 = 0
4² - 5(4) + 4 = 0
16 - 20 + 4 = 0
-4 + 4 = 0
0 = 0
If you solve by factoring this would be the process of it Step 1: Factor left side of the the equation (n-1)(n-4)=0 Step 2: set factors equal 0 n-1=0 or n-4=0 then you would solve both like a regular equation n=1 or n=4 would be the answers
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