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RAdical din 25xpatrar-30x+9=Radical din9xpatrat+24x+16

Răspuns :

[tex] \sqrt{ 25x^{2}-30 x+9} = \sqrt{9x^{2}+24x+16} \\ \sqrt{(5x-3) ^{2} } = \sqrt{(3x+4) ^{2} } \\ 5x-3=3x+4 \\ 5x-3x=4+3 \\ 2x=7 \\ x= \frac{7}{2} [/tex]