Answer to Question #1500 in Algebra for kevin collette

Question

Expand and simplify
5w[sup]2[/sup]x[sup]4[/sup]y[sup]7[/sup](3w[sup]4[/sup]x[sup]2[/sup] - x[sup]6[/sup]y[sup]2[/sup] + 2w[sup]4[/sup]y[sup]-7[/sup]).

Answer 1

5w²x³y⁷(3w⁴x² - x⁶y² + 2w⁴y^-7) = 5w²x³y⁷* 3w⁴x² - 5w²x³y⁷* x⁶y² + 5w²x³y⁷* 2w⁴y^-7= 15w⁶x⁵y⁷ - 5w²x⁹y⁹ + 10w⁶x³