Question

(6x + 1)^2 + (8x - 3) (8x + 3) = (20x - 1) (5x + 4)
Con procedimiento

Answer 1

(6x*1)²+(8x-3)(8x+3)=(20x-1)(5x+4)

36x²+12x+1+64x²-9=100x²+80x-5x-4

100x²+12x-8=100x²+75x-4

12x-8=75x-4

12x-75x=-4+8

-63x=4

x=4/63

x≈0.06349