Question 33: Find x knowing \(5(x-3)(x-7)-(5 x+1)(x-2)=25\)
\(\begin{aligned} 5(x-3)(x-7)-(5 x+1)(x-2)=25 \\ 5 x^{2}-35 x-15 x+105-5 x^{2}+10 x-x+2=25 \\ -41 x+107=25 \\ -41 x=-82 \\ x=2 \end{aligned}\)
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Question 33: Find x knowing \(5(x-3)(x-7)-(5 x+1)(x-2)=25\)
\(\begin{aligned} 5(x-3)(x-7)-(5 x+1)(x-2)=25 \\ 5 x^{2}-35 x-15 x+105-5 x^{2}+10 x-x+2=25 \\ -41 x+107=25 \\ -41 x=-82 \\ x=2 \end{aligned}\)
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