add 16x^2 + 13x -23 and 2x. -5^2 + 17
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Answer:
11x²+15x-6
Step-by-step explanation:
(16x²+13x-23) + (2x-5x²+17)
= 16x²+13x-23+2x-5x²+17
arranging like terms together
= 16x²-5x² + 13x+2x -23+17
= 11x²+15x-6
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