How do you simplify #(d^2)-4#? Algebra Polynomials and Factoring Factor Polynomials Using Special Products 1 Answer Don't Memorise May 3, 2015 We know that #color(blue)(a^2 - b^2 = (a+b)(a-b)# And #d^2 - 4 = d^2 - 2^2# Using the identity, we can write #d^2 - 2^2# as #color(green)((d+2)(d-2)# Answer link Related questions How do you factor special products of polynomials? How do you identify special products when factoring? How do you factor #x^3 -8#? What are the factors of #x^3y^6 – 64#? How do you know if #x^2 + 10x + 25# is a perfect square? How do you write #16x^2 – 48x + 36# as a perfect square trinomial? What is the difference of two squares method of factoring? How do you factor #16x^2-36# using the difference of squares? How do you factor #2x^4y^2-32#? How do you factor #x^2 - 27#? See all questions in Factor Polynomials Using Special Products Impact of this question 1149 views around the world You can reuse this answer Creative Commons License