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Expand 4e(e + 2)

4e^2 + 8e

Answered by Maths tutor
17516 Views

Factorise and solve the quadratic : 3x^2 + 15x +18 = 0

First we look to see if there is a common factor in the equation. In this case there is a common factor of 3, therefore we can take 3 out as a factor. 3(x2 +5x +6) = 0
The inside of the br...

HW
Answered by Holly W. Maths tutor
4682 Views

Draw a carbon dioxide molecule and describe the bonding?

Covalent bond (sharing a pair of elections between two non metal atoms)O = C = O

KM
Answered by Krishna M. Chemistry tutor
2694 Views

How do I write essays about unseen poems?

A handy acronym to help you remember how to write about unseen poems is SLIME. This stands for Structure, Language, Imagery, Meaning, and Effect. When you read through the poem, you should make notes on p...

CF
Answered by Cait F. English tutor
2756 Views

Explain why graphite conducts electricity.

As carbon is in group 4 of the periodic table it has 4 electrons that it can share with other atoms to form covalent bonds. In the graphite structure, only 3 of these electrons are used for forming covale...

JF
Answered by Joshua F. Chemistry tutor
2435 Views

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