How do you find the sum of #7b + 3#, #-4b + 5#, and #-3b + 2 #? Algebra Polynomials and Factoring Addition and Subtraction of Polynomials 1 Answer Don't Memorise Jun 24, 2015 # =color(green)( 10# Explanation: #7b+3 + (-4b+5) + (-3b+2)# grouping like terms #color(green)((7b - 4b - 3b)) +(3 +5 +2)# # = 0 + 10# # =color(green)( 10# 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 3458 views around the world You can reuse this answer Creative Commons License