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b.Perform the indicated operations
subtract
pa help po pls


BPerform The Indicated Operationssubtract Pa Help Po Pls class=

Sagot :

Answer:

6. - 3x³ - 9x² + 3

7. -3x²y - 12xy + 9y²

Step-by-step explanation:

6.

=5x³ - 8x³ -7x²-2x² +3x-3×-4+7

= - 3x³ - 9x² + 3

7.

= 2x²y - 5x²y -5xy - 7xy +3y² + 6y²

= -3x²y - 12xy + 9y²

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