(9x2 + 10x + 4) − (9x2 + 5x − 1)
1 answer:
For this case we must simplify the following expression:
We eliminate the parentheses taking into account that:
We add similar terms taking into account that:
Equal signs are added and the same sign is placed.
Different signs are subtracted and the major sign is placed.
Answer:
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Step-by-step explanation: