How do you simplify (x^2 - 1) /(x^2 - 3x - 10)*(x^2 + 5x + 6)/ (x^2 - 3x – 4)*(x^2 - x - 20)/(x^2 + 2x – 3)? Algebra Rational Equations and Functions Multiplication of Rational Expressions 1 Answer Nghi N. Jun 1, 2015 ((x - 1)(x + 1))/((x + 2)(x - 5)) . ((x + 2)(x + 3))/((x + 1)(x - 4)). ((x + 4)(x - 5))/((x - 1)(x + 3)) = = (x + 4)/(x - 4) Answer link Related questions What is Multiplication of Rational Expressions? How do you multiplying rational expressions? Is multiplication of rational expressions commutative? How do you multiply \frac{12x^2-x-6}{x^2-1} \cdot \frac{x^2+7x+6}{4x^2-27x+18}? How do you multiply and simplify to the lowest terms \frac{x^3}{2y^3} \cdot \frac{2y^2}{x}? How do you multiply \frac{5x^2+16x+3}{36x^2-25} \cdot (6x^2+5x)? How do you multiply and simplify the expression 2xy \cdot \frac{2y^2}{x^3}? How do you multiply (a^2-a-12)/(a^2-5a+4)*(a^2+2a-3)/(a^2+a-6)? How do you multiply (4(x+2))/(5x)*(6x^2)/(2x)? How do you multiply (30a^2)/(18b)*(6b)/(5a)? See all questions in Multiplication of Rational Expressions Impact of this question 1571 views around the world You can reuse this answer Creative Commons License