СРОЧНО, помогите! (10х-4)(3х+2)=0

(10х-4)(3х+2)=0 30x^2+20x-12x-8=0 30x^2+8x-8=0 D=8^2-4*30*(-8)=64+960=1024 √D=32 x1=-8-32/2*30=-40/60=-2/3 x2=-8+32/2*30=24/60=2/5

(10x-4)(3x+2)=0 30x²+20x-12x-8=0 30x²+8x-8=0 d = b²-4ac d = 64 + 960 d = 1024 [latex]x= \frac{-b+- \sqrt{d} }{2a} [/latex] [latex]x= \frac{-8+-32}{60} [/latex] [latex] x_{1} = - \frac{40}{60} =- \frac{20}{30} = -\frac{4}{6} = -\frac{2}{3} [/latex] [latex] x_{2} = \frac{24}{60} = \frac{4}{10} = \frac{2}{5} [/latex] Ответ: [latex](- \frac{2}{3}; \frac{2}{5} )[/latex]