Răspuns:
a) 7ab²+14a²b=7ab(b+2a)
b) -3,6x²y³+0,8x⁴y⁵=4x²y³(0,9+0,2x²y²)
c) 2√17xy⁴-√17x²y=√17xy(2y³-x)
d) -15tz-√5t²z=-√5tz(3√5-t)
e) x(3-y)+5(y-3)=x(3-y)-5(3-y)=(3-y)(x-5)
f) 2,5a(a-1)-(1-a)=2,5a(a-1)+(a-1)=(a-1)(2,5a+1)
Explicație pas cu pas:
