Krishandog4id Krishandog4id Math Answered C.Add the following polynomials 1.4a+8b-3a+15b= 2.3m+4n-8m-2n=3.9a+8b-10b=4.7x-9y-8x=5.(10a+llb)+(9a-14b)=6.(7x²+2y²)+(2y²-5x²)=