factorization 2x2 + x-1
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=12 or x=−1. Explanation: 2x2+x−1=0. Factorise. 2x2+2x−x−1=0. 2x(x+1)−1(x+1)=0. (2x−1)(x+1)=0. 2x−1=0 or x+1=0. x=12 or x=−1.
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how are you
Step-by-step explanation:
Photosynthesis is a process by which green plant make their own food
Hope it's helpfull
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