3 years ago

Hello , I need help with these 2 problems. Could someone help me ?

Mathematics

1 answer:

saw5 [17]3 years ago

3 0

Step-by-step explanation:

The first one will be:

7x^6 - 7x^5 +28x - 4x² - 60

And the second:

-9x⁴-3x²-4x²+5x

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