Discover new knowledge and insights with IDNLearn.com's extensive Q&A platform. Our experts are available to provide accurate, comprehensive answers to help you make informed decisions about any topic or issue you encounter.

(6x2 - 2x) + (5x-7)
A. 30x3 - 52x2 + 14x
B. 6x2 - 7x+7
c. 11x2 - 9x
D. 6x2 + 3x - 7