Respuesta :
Answer:
(3x-5-7x^2)-(-2+6x^2-5x)
3x-5-7x^2+2-6x^2+5x.......step1
(-7x^2-6x^2)+(3x+5x)+(-5+2).......step2
-13x^2+8x-3.....simplified
Answer:
(3x-5-7x^2)-(-2+6x^2-5x)
3x-5-7x^2+2-6x^2+5x.......step1
(-7x^2-6x^2)+(3x+5x)+(-5+2).......step2
-13x^2+8x-3.....simplified