How do you subtract #(3x^3 – 4x^2 + 6x) – (5x^3 + 2x^2 – 3x)#? Algebra Polynomials and Factoring Addition and Subtraction of Polynomials 1 Answer Watchmojo J. Apr 13, 2018 #-2x^3-6x^2+9x# Explanation: #(3x^3–4x^2+6x)–(5x^3+2x^2–3x)# #–(5x^3+2x^2–3x)# #=–1xx(5x^3+2x^2–3x)# #=(–1xx5x^3)+(–1xx2x^2)+(–1xx–3x)# #=–5x^3-2x^2+3x# #=3x^3–4x^2+6x" "color(blue)(–5x^3-2x^2+3x)# #=3x^3color(blue)(–5x^3)–4x^2color(blue)(-2x^2)+6xcolor(blue)(+3x)# #=color(red)(-2x^3-6x^2+9x)# Answer link Related questions How do you add two polynomials? How do you subtract two polynomials? How do you add and simplify #3x^2-4x+7# and #2x^3-4x^2-6x+5#? How do you subtract #5b^2-2a^2# from #4a^2-8ab-9b^2#? How do you simplify #(6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)#? How do you simplify #(-t+15t^2)-(5t^2+2t-9)#? How do you subtract #(-5m^2-m)-(3m^2+4m-5)#? How do you add two polynomials if they don't have like terms? How do you simplify #(3a+4b)-(-6a-3b)#? How do you subtract #(x^2-8x+7)-(6x^2+7x-3)#? See all questions in Addition and Subtraction of Polynomials Impact of this question 3081 views around the world You can reuse this answer Creative Commons License