2 years ago

I need help please!

Mathematics

1 answer:

Effectus [21]2 years ago

4 0

Answer:

-x^2 + 6x - 19

Step-by-step explanation:

2x^2 + 5x - 10 -(3x^2 - x + 9)

=2x^2 + 5x - 10 -3x^2 + x - 9

=-x^2 + 6x - 19

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