|x^2-5x|=1= (x^2-5x=1) and (x^2-5x = -1)
now, you need to solve the above two quadratic equation to get the ans.
1 Like
Is the answer to blank 4?
How do we get -1 on the RHS? Is it becuase the when we take modulus on 1 we get both -1 and +1 as the absolute values?
yes the mod opens with positive and negative sign