Answer: a. 2(11a+14)
b. 47x-17
c. x^2+5x
d. x(x+8)
Step-by-step explanation:
a. 2a+4(7+5a)=
2a+4*7+4(5a)=
2a+28+20a=
22a+28=2(11a+14)
b. 4(3x+2)-5(7x+5)=
12x+8-35x-25=
12x+35x+8-25=47x-17
c. x(x+5)=x^2+5x
d. 2x+x(x+6)=
2x+x^2+6x=
x^2+8x=x(x+8)
