Which of the following expressions are equivalent to polynomial: ((6x9°) (7xy?)) – ((92'y?). (3xy')) + (8xy?)??
Select all that apply.
15x^ y11 + 8xPy4
-15x^y11 + 64x²2y4
42x^y11 – 27x^y11 + 642y4
15x^y11 + 64x²y4
42vyº – 27x^;? + 64x22y4

C. 42x⁴y¹¹ - 27x⁴y³ + 64x²y⁴

Step-by-step explanation:

((6x³y⁹)*(7xy²)) - ((9x³y²)*(3xy⁹)) + (8xy²)²

(6*7*x³*x*y⁹*y²) - (9*3*x³*x*y²*y) + (64x²y⁴)

42x⁴y¹¹ - 27x⁴y³ + 64x²y⁴

We can only add like terms together. So, that's our final answer.

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step-by-step explanation: