How do you multiply (x^3+2x^2)(7x+4)?

1 Answer
Apr 20, 2018

7x^4+18x^3+8x^2

Explanation:

Multiply each term:

x^3 xx 7x=7x^4

x^3 xx 4=4x^3

2x^2 xx 7x=14x^3

2x^2 xx 4=8x^2

Collect like terms:

7x^4+4x^3+14x^3+8x^2 -> 7x^4+18x^3+8x^2

This is our final answers as it cannot be simplified further