1.

(5s+3)(2s+1)=s²-s-1please solve it​

Answer»

ANSWER:

(5x + 3)(2x + 1) = {x}^{2} - x - 1 \\ 10 {x}^{2} + 11x + 3 =  {x}^{2} - x - 1 \\ x =  -  \frac{2}{3}

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