Factor each expression;
[tex]\begin{gathered} (13)4x+12 \\ =4(x+3) \\ (14)8r-14 \\ =2(4r-7) \\ (15)5x+35 \\ =5(x+7) \\ (16)7+14x \\ =7(1+2x) \\ (17)32x-15 \\ \text{CANNOT BE FACTORED} \\ \text{There are no common factors found between 32 and 15} \\ (18)24+32x \\ =8(3+4x) \\ (19)6x-9 \\ =3(2x-3) \\ (20)48+24x \\ =24(2+x) \end{gathered}[/tex]All of numbers 13 to 20 EXCEPT 17 all have common factors.
The only one that cannot be factorized is number 17
