Divide 5a2 + 6a - 9 into 25a4 + 19a2 - a - 78.

1.	Divide 5a2 + 6a - 9 into 25a4 + 19a2 - a - 78.
Answer» Divide 5a²+ 6a - 9 into 25a⁴+ 19a²- a - 78. Solution:

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