Question

памагите алгебра сос
разложите на множители (3x-4y)(2x-5y)-3y(4y-3x)
и еще адин (p-10q)(pq+25)+5(50q-5p)

Answer 1

(3х-4у)(2х-5у)+3у(3х-4у)=(3х-4у)(2х-5у+3у)=(3х-4у)(2х-2у)=(2х-2у)(3х-4у)=2(х-у)(3х-4у)

Answer 2

(p-10g)(pg+25)+5(50g-5p)= =(p-10g)(pg+25)+25(10g-p)= =(p-10g)(pg+25)-25(p-10g)= =(p-10g)(pg+25-25)= =25(p-10g)*pg