5 of 105 of 10 Items Question Simplify the product into standard form. (2r−3)(2r+3) (1 point) Responses 0 0 4r2−6r−9 4 r squared minus 6 r minus 9 4r2−6 4 r squared minus 6 4r2−9 4 r squared minus 9 Skip to navigation

4r^2 - 9