Question

15+7r+r(r-3)-r^2 simplified

Answer 1

15 + 4r

Explanation:

15+7r+r(r-3)-r²

15 + 7r + r² - 3r - r²

15 + 4r

Answer 2

15+4r

Explanation:

15+7r+r(r-3)-r^2

Distribute

15+7r+r^2-3r-r^2

Combine like terms

15+7r-3r+r^2-r^2

15 +4r