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svetlana [45]
3 years ago
7

E. Polynomials

Mathematics
1 answer:
horsena [70]3 years ago
6 0

Answer:

see below

Step-by-step explanation:

1. 7x+2x+19x

(7, 2, 19) x

=28x

2. -6x-3+3x-9

-3x-3-9

=3x-12

3. (3x-4y) -(x+2y)

3x-4y-x-2y

=2x-6y

4. 18x5 - 6x3

90-18

=72

5. (x+5)(x-7)

x²-7x+5x-35

=x²-2x-35

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