Question

Subtract 5x^2 + 2x - 11 from 3x^2 + 8x - 7. Express the result as a trinomial.

Answer 1

$(3x^2+8x-7)-(5x^2+2x-11)\\3x^2+8x-7-(5x^2+2x-11)\\3x^2+8x-7-5x^2-2x+11\\-2x^2-6x+4$

-2x^2-6x+4