Question

решите пж с решением
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Answer 1

$\frac{x^{2} -7x}{8}-1=0\\x^{2} -7x-8=0\\x^{2} +x-8x-8=0\\x*(x+1)-8(x+1)=0\\(x+1)*(x-8)=0\\x+1=0;x-8=0\\x_{1}=-1;x_{2}=8$