SOLUTION: I really hate this book lol. It keeps saying one answer, but i'm pretty sure i'm right. Here's the problem: 2sqrt{4x^3y} * ysqrt{x^5y^7} I got 4x^5y^4, but the book says it's

Algebra ->  Radicals -> SOLUTION: I really hate this book lol. It keeps saying one answer, but i'm pretty sure i'm right. Here's the problem: 2sqrt{4x^3y} * ysqrt{x^5y^7} I got 4x^5y^4, but the book says it's      Log On


   



Question 960430: I really hate this book lol. It keeps saying one answer, but i'm pretty sure i'm right. Here's the problem:
2sqrt{4x^3y} * ysqrt{x^5y^7}
I got 4x^5y^4, but the book says it's 4 x^4 y^5. Am I right, if not, Where did i go wrong?

Answer by MathLover1(20850) About Me  (Show Source):