Which expressions are equivalent to -7r2 + 12r - 8? Select TWO correct answers.
Answer
A (-5r²-r-4) + (-2r² - 13r+4)
B (-10r2+5r+ 2) + (3r² +8r-6)
C (10+7r-2) - (-6r² - 18+5r)
D (10+7r-r2) + (-6r² - 18+5r)
E (-5r²-r-4) - (2r² - 13r+4)



Answer :