Respuesta :
Add likewise terms together (add the coefficients of x^2 together, same with just x, etc)
10x^2 – 3x^2 = 7x^2
1x – 1x = 0
– 10 – 10 = –20
So the answer is 7x^2 – 20.
10x^2 – 3x^2 = 7x^2
1x – 1x = 0
– 10 – 10 = –20
So the answer is 7x^2 – 20.