Subtract the polynomials. Assume all variable exponents represent whole numbers.(9x6 - 6x5 + 15x) - (2x6 + 12x5 + 19x)
A. 7x6 - 18x5 - 4x
B. 7x6 - 18x5 + 34x
C. -15x12
D. 7x6 - 4x5 + 34x
Answer: A
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What will be an ideal response?
State the dimensions of the matrix.
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