(1) 5x2 + 4x - 7 from 8x2 - 6x - 11
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Answer:
3x2-10x-18
Step-by-step explanation:
(8x2-6x-11)-(5x2+4x-7)
8x2-6x-11-5x2-4x-7
collect like terms
8x2-5x2-6x-4x-11-7
=3x2-10x-18
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