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= 6p - 9q
2. 9x² + 3xy - 8y² - 10x² + y² =
9x²-10x² + 3xy - 8y²+y²
-x + 3xy - 8
sekian ,,,, maaf klo salah,, mugkin ada yg mau nambahin?
=10p-4p+3q-12q =9X" - 10X" - 8y" + y" + 3XY
=6p-9q =X" - 7y" + 3XY
= -7xy"+3XY
=4xy"'
maaf kalau salah