Question

199 Решите 1 уравнение:

Answer 1

$(2 x^{2} -3x+5)(2 x^{2} -3x+5)+(6x+10)(1.5x+2.5)= \\ (2 x^{2} -3x+5)(6x+10) \\ 4 x^{4} -6 x^{3} +10 x^{2} -6 x^{3} +9 x^{2} -15x+10 x^{2} -15x+25+9 x^{2} +15 \\ +15x+25=12 x^{3} +20 x^{2} -18 x^{2} -30x+30x+50 \\ 4 x^{4} -12 x^{3} +38 x^{2} -15x+65=12 x^{3} +2 x^{2} +50 \\ 4 x^{4} -24 x^{3} +36 x^{2} +15=0$