Question

Scoate factorul comun: 2×a×b+2×c
5×f+5×y+7×Z
7×a+7×b+49
3×x-3×y+3
Dau coroana! ! !
Repede!

Answer 1

2xaxb+bxc=2x(axb+c)
7xa+7xb+49=7x(a+b)+49
3×x-3×y+3=3x(x-y)+3

Answer 2

A)2×(a+b+c)
B)5×(x+y+z)
C)7×(a+b+7)
D)3×(x-y+1)