The expression \( 21 x^{2}+11 x-2 \) equals to
(a) \( (x-2)(7 x+1) \)
(b) \( (7 x+1)(3 x-2) \)
(...
The expression \( 21 x^{2}+11 x-2 \) equals to
(a) \( (x-2)(7 x+1) \)
(b) \( (7 x+1)(3 x-2) \)
(c) \( (7 x-1)(3 x-2) \)
(d) \( (7 x-1)(3 x+2) \)
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