Giải phương trình
a. (1-5x-2) = 0
b. 4x(3x+1) = 0
c. (1/2x+3)(2/5x-1) = 0
d. x2 + x - 3x - 3 = 0
e. 64 - 25x2 =0
f. hình ảnh
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<!--[endif]-->----- Nội dung ảnh -----
f.
\(\frac{8x}{x^2-4} + \frac{7}{x-2} - \frac{1}{x+2} = 0\)