Add the following: `3x\ a n d\ 7x` (ii) `-5x y\ a n d\ 9x y`

Add the following: (i) 3x\ a n d\ 7x (ii) -5x y\ a n d\ 9x y

Add the following: 3x+2y\ a n d\ x+y (ii) x+y+3\ a n d\ 3x+2y+5 2x+3y+z\ a n d\ 2x-y-z

Add the following: (i) 3x+2y\ a n d\ x+y (ii) x+y+3\ a n d\ 3x+2y+5 (iii) 2x+3y+z\ a n d\ 2x-y-z

Add the following: (i) x – 3y – 2z , 5x + 7y – 8z , 3x – 2y + 5z

Add the following: (i) x – 3y – 2z , 5x + 7y – 8z , 3x – 2y + 5z

Add -7x y ,\ -3x y and -9x ydot

Add -7x y ,\ -3x y and -9x ydot

Write each of the following as an equation in two variables x\ a n d\ y 3x=2 (ii) 7y=3

Write each of the following as an equation in two variables x\ a n d\ y (i) 3x=2 .(ii) 7y=3

Find the greatest common factor (GCF/HCF) of the following polynomials: 2x^2a n d\ 12 x^2 (ii) 6x^3y\ a n d\ 18 x^2y^3