11x square - 8x + 4 + 6x square+ 7x-5
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1
Answer:
17x²-x-1
Step-by-step explanation:
(11x²-8x+4) + (6x²+7x-5)
= 11x²+6x² + 7x-8x + 4-5
= 17x²-x-1
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