Scrie urmatoarele nr apoi schimba pozitia unei cifre pentru a obtine nr cu 20 mai mari

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb