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Solve the equation 2x^2 + 3x = 9

2x2 + 3x = 92x2 + 3x - 9 = 0(2x - 3)(x+3)2x-3 = 02x = 3x = 3/2x+3=0x=-3x = 3/2 or -3

SN
Answered by Sean N. • Maths tutor
3297 Views

How are islands formed?

Islands are formed when new land is created. This can happen in several ways, one being when 2 plates move apart allowing magma, a molten material under the earth's crust, to rise up and solidify. Over ti...

CA
24246 Views

Describe a two step reaction route that can convert 1-Butene (CH2CHCH2CH3) into a compound that is more soluble in water. Use mechanisms to aid your answer (HINT: one of the steps involves nucleophilic substitution)

CH2CHCH2CH3 + HBr (room temp) --> CH3CH(Br)CH2CH3CH3CH(Br)CH2CH3 + NaOH (reflux) --> CH3...

SN
Answered by Sean N. • Chemistry tutor
1576 Views

How did the Treaty of Versailles (1919) contribute to the rise of Nazism?

The Treaty of Versailles, the peace treaty signed by the Allied Powers and Germany in 1919 to end the First World War, affected Germany in various political, economic and social ways. Firstly, the economi...

MF
Answered by Michael F. • History tutor
11228 Views

Rank the following compounds in acending order of melting point (and explain your reasoning): CH3CH2CH2NH2, CH3CH2CH3, CH3CH2CH2OH

CH3CH2CH3 , CH3CH2CH2NH2 , CH3CH2CH2OHThe only major intermolecular force that takes place in ...

SN
Answered by Sean N. • Chemistry tutor
2252 Views

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