Add: 9x2 - 4x + 5 and -3x2 + 2x - 1
Answers
Answered by
4
Step-by-step explanation:
9×2-4x+5-3x2+2x-1
16-2x
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Answered by
0
Answer:
16-2x
Step-by-step explanation:
9x2-4x+5+(-3)x2+2x-1
9x2-4x+5-3x2+2x-1
18-4x+5-6+2x-1
18-6-4x+2x+5-1
12-2x+4
12+4-2x
16-2x
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