Question

ajutor ex 4 repede!!!!!!! ofer coroana

Answer 1

descompunerea in factori inseamna sa scrii sub forma de paranteze inmultite:

a)(x+rad3)^2 ^=ridicare la putere si * inmultire

b)(x-rad5)^2

c)(x-rad7)(x+rad7) ( aplic diferenta de patrate a^2-b^2=(a-b)(a+b)

d)(x+rad6)^2

e)(a-rad3)^2

f)(2x-rad5)(2x+rad5) (am folosit ca 5=rad5^2)