Выпишите верные равенства
1) 9х^2-в^2=(3х-в)^2
2)в^2-6хв+9х^2=(3х-в)^2
3)9х^2+в^2-6хв=(3х-в)^2
4)9х^2+6хв+в^2=(3х-в)^2
1) 9х^2-в^2=(3х-в)^2
2)в^2-6хв+9х^2=(3х-в)^2
3)9х^2+в^2-6хв=(3х-в)^2
4)9х^2+6хв+в^2=(3х-в)^2
More Questions From This User See All
Answers & Comments
Verified answer
2). b^2-6xb+9x^2=(3x-b)^2; 3). 9x^2+b^2-6xb=(3x-b)^2.