How do you solve 2x^2 + 1 = 4x2x2+1=4x?
1 Answer
Explanation:
Therefore:
Use quadratic formula:
If
Then
And
In this case
= (4 + sqrt(16-8))/4=4+√16−84
= (4 + sqrt(8)]/4=4+√84
=(4 + sqrt(2*2*2))/4=4+√2⋅2⋅24
=(4 + 2sqrt(2))/4=4+2√24
= 1 + sqrt(2)/2=1+√22
Similarly: