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Simplify fully {x^2 -3x -4}/{x^2 + 4x +3}

Factorise the top and bottom {x^2 -3x -4}/{x^2 + 4x +3}=(x+1)(x-4)/(x+1)(x+3) 2) Cancel the common terms Answer = (x-4)/(x+3)
JT
Answered by James T. • Maths tutor
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How should I approach an unseen poem for an exam?

Approaching an unseen poem can be challenging, often it takes time to get to know a poem. But don't worry, there are always a few tips and tricks that will help you prepare. First of all just sit and read th...
LE
Answered by Lowri E. • English tutor
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In order to attain a top grade in Psychology, should I rote learn and memorise as many studies as possible?

An examiner will certainly expect you to engage with named research and studies within the academic field, as this is an easy way for you to support your own assertions and remain critical. However, you don'...
EO
Answered by Emily O. • Psychology tutor
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Describe the impulse process in a simple reflex action

Sensory neurone detects a stimuli via sensory receptors e.g. a hot pan This sends an impulse up the sensory neuron to the brain or spinal column (together known as the central nervous system or CNS) Here te ...
RP
Answered by Rory P. • Biology tutor
6489 Views

An amount of money was invested for 8 years. It earned compound interest at 2.5% per year. After 8 years the total value of the investment was £11,696.67. Work out the total interest earned.

I would make sure the student new the difference between simple and compound interest to begin with. I would then explain the formula for compound interest and how it works normally. The formula is p(1+m)^n ...
LJ
Answered by Laura J. • Maths tutor
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