The difference of two trinomials is x^2 − 10x + 2. If one of the trinomials is 3x^2 − 11x − 4, then which expression could be the other trinomial? 2x^2 − x − 2
2x^2 + x + 6
4x^2 + 21x + 6
4x^2 − 21x – 2

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse