Question

$(x + 3)^{2} + (x - 2)^{2} = x^{2} - 5x$
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көмектесу
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Answer 1

$\displaystyle\bf\\(x+3)^{2} +(x-2)^{2} =x^{2} -5x\\\\x^{2} +6x+9+x^{2} -4x+4-x^{2}+5x=0\\\\x^{2} +7x+13=0\\\\D=7^{2} -4\cdot13=49-52=-3<0\\\\Otvet:x\in\oslash$