Subtract these polynomials.
(3x2 + 6x + 7) - (6x2 - 5x - 7) =
o a. 9x + 11x+14
b. -3x + x+0
o c. 9x2+x+0
od. -3x2 + 11x+14
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]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle