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Expand (2x-4)(x+3)

We are going to use the F.O.I.L Method for this expansion, FIRST 2x*x = 2x 2 OUTSIDE 2x*3 = 6x INSIDE -4x*x = -4x LAST -4*3 = -12 Now to add up all the terms we have found 2x 2 +6x-4x+12 = 2x 2 +2x+12
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Answered by Kate P. • Maths tutor
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Define schema theory

Schemas are our mental representations of knowledge based on our culture and based experiences. Schema theory is the idea that our schemas are integrated with information if there are blanks or unfamiliariti...
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Answered by Conner S. • Psychology tutor
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I never remember the appropriate prepositions of place and always get mixed up with them! Can you help me?

Hi there, when learning a new language it is often difficult to remember words and even if you have successfully placed a word in your long term memory (i.e you dont have to repeat it silently always in your...
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Answered by Ignacio P. • Spanish tutor
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Explain how ATP is generated from reduced NAD and reduced FAD via the electron transport chain?

Reduced NAD is oxidised at the first carrier of the electron transport chain and reduced FAD oxidised at the second. The free electrons move into the system of carriers within the membrane while the protons ...
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Answered by Lewis G. • Biology tutor
19712 Views

If you're measuring an environment using a quadrat or another sampling instrument - why can't you just do it where you see the most biodiversity?

Taking a sample from an area of space where you can clearly see there to be more species richness or abundance is not taking a representative sample, and it won't tell you what is really going on in that par...
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Answered by Ellie C. • Biology tutor
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