Expanding the left side of the equation:
(5x-1)(5x+1) = 25x^2 - x^2 - 1 = 24x^2 - 1
Adding it to 20x^2, we get:
24x^2 - 1 + 20x^2 = 44x^2 - 1
Therefore, the equation becomes:
44x^2 - 1 = 7x - 3
Rearranging the terms:
44x^2 - 7x = -2
Dividing by x on both sides:
44x - 7 = -2/x
Multiplying both sides by x:
Therefore, the equation simplifies to:
44x^2 - 7x + 2 = 0
Expanding the left side of the equation:
(5x-1)(5x+1) = 25x^2 - x^2 - 1 = 24x^2 - 1
Adding it to 20x^2, we get:
24x^2 - 1 + 20x^2 = 44x^2 - 1
Therefore, the equation becomes:
44x^2 - 1 = 7x - 3
Rearranging the terms:
44x^2 - 7x = -2
Dividing by x on both sides:
44x - 7 = -2/x
Multiplying both sides by x:
44x^2 - 7x = -2
Therefore, the equation simplifies to:
44x^2 - 7x + 2 = 0