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Factorise completely x − 4 x^3

= x(1-4x^2)From difference of two squares method,= x(1-2x)(1+2x)

Answered by Christopher T. • Maths tutor

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Factorise completely x − 4 x^3

Related Maths A Level answers

Find the stationary points of the equation. f(x)=3x^2+4x.

Find the value of dy/dx at the point where x = 2 on the curve with equation y = x^ 2 √(5x – 1).

y = Sin(2x)Cos(x). Find dy/dx.

A particle of mass m moves from rest a time t=0, under the action of a variable force f(t) = Atexp(-B*t), where A,B are positive constants. Find the speed of the particle for large t, expressing the answer in terms of m, A, and B.

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Factorise completely x − 4 x^3

Related Maths A Level answers

Find the stationary points of the equation. f(x)=3x^2+4x.

Find the value of dy/dx at the point where x = 2 on the curve with equation y = x^ 2 √(5x – 1).

y = Sin(2x)Cos(x). Find dy/dx.

A particle of mass m moves from rest a time t=0, under the action of a variable force f(t) = A*t*exp(-B*t), where A,B are positive constants. Find the speed of the particle for large t, expressing the answer in terms of m, A, and B.

We're here to help

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MyTutor is part of the IXL family of brands:

IXL

Rosetta Stone

Wyzant

Education.com

Vocabulary.com

Emmersion

Thesaurus.com

Dictionary.com

SpanishDictionary.com

FrenchDictionary.com

Ingles.com

ABCya

© 2026 by IXL Learning

A particle of mass m moves from rest a time t=0, under the action of a variable force f(t) = Atexp(-B*t), where A,B are positive constants. Find the speed of the particle for large t, expressing the answer in terms of m, A, and B.