Question

помогитеx решить пример                                                                                                   7 класс      (2x+1)*(2x-4)=0                                                                                                                

Answer 1

$(2x+1)(2x-4)=0 \ 2x+1=0 \ 2x=-1 \ x_1=- frac{1}{2} =-0.5 \ 2x-4=0 \ 2x=4 \ x_2=2$
Ответ: 2 и -0,5

Answer 2

спс