How do you multiply (5 + x)(2x + -10)(5+x)(2x+−10)?
1 Answer
Jul 29, 2016
2x^2-502x2−50
Explanation:
(5+x)(2x+ -10)(5+x)(2x+−10)
It must be written as
(5+x)[2x+ (-10)](5+x)[2x+(−10)]
Remove the inner most bracket
(5+x)[2x -10](5+x)[2x−10]
Now Multiply
10x+2x^2-50-10x10x+2x2−50−10x
2x^2-502x2−50