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Solve 3(x-2) = 21

To begin, understanding the basica concept of algebra and multiplication using brackets needs to be covered as I have met quite a few children who have been used to these equations but are still unsure about...
NF
Answered by Nicole F. • Maths tutor
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Expand and simplify (6x - 2y)(3x - 7y)

Expand brackets: 18x^2 - 42xy - 6xy + 14y^2 Simplify: 18x^2 - 48xy + 14y^2 3 marks
BW
Answered by Beth W. • Maths tutor
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Factorise and solve x^2 - 8x + 15 = 0.

The easiest method to solve quadratic equations by hand is by factorisation - which means putting the equation into brackets, effectively expressing the equation as a product of two linear expressions. Imagi...
RB
Answered by Rachel B. • Maths tutor
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Discuss the use of imagery in the poem "Medusa" by Carol Ann Duffy

Ultimately, the entire poem is an extended metaphor for a woman consumed by jealousy as she parts from her lover. Her jealousy is portrayed through the violent animalistic images of creatures the speaker is ...
HM
19213 Views

How do you increase the rate of a reaction?

There are multiple ways of increasing the rate of a reaction, but overall, increasing the number of particles successful collisions will increase the rate of reaction. This can be done by increasing the temp...
ZJ
Answered by Zoe J. • Chemistry tutor
4029 Views