For each polynomial operation, write the letter that corresponds to the resulting expression from the list.

(5x2 + 2x + 1) + (6x2 − 3x + 9) is equivalent to expression

.

(-3x2 + 6x − 12) + (5x + 9) is equivalent to expression

.

(8x + 16) − (3x2 − 3x − 15) is equivalent to expression

.

(5x2 + 23x − 7) − (x2 − 4x + 21) is equivalent to expression

. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation:

2/3

step-by-step explanation:

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