Question

Add: 5x2 - 7x +3,- 8x2 + 2x - 5 and 7x?-X-2.​

Answer 1

Answer:

4x²-6x-4

Step-by-step explanation:

5x²-7x+3+(-8x²)+2x-5+7x²-x-2

(5x²-8x²+7x²)+(-7x+2x-x)+(3-5-2)

4x²-6x-4

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