How do you combine #(-6p^7 + 2p^5 - p^3) - (4p^7 - 4p^5 - 5p^3) #? Algebra Polynomials and Factoring Addition and Subtraction of Polynomials 1 Answer Don't Memorise Jul 16, 2015 #=color(green)(−10p^7) +color(blue)(6p^5) + 4p^3# Explanation: #−6p^7+2p^5−p^3−4p^7+4p^5 +5p^3# combining like terms #color(green)(−6p^7−4p^7) +color(blue)(2p^5 +4p^5)−p^3+ 5p^3# #=color(green)(−10p^7) +color(blue)(6p^5) + 4p^3# 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 1333 views around the world You can reuse this answer Creative Commons License