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Factorise 2x^3=10x+12x^2

Move everything to the same side: 2x^3-12X^2-10x=0 2.Take out a factor of 2x: 2x(x^2-6x-5)=0 3.Complete the square on the quadratic: 2x[(x-3)^2-14]=0
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Answered by Faye H. • Maths tutor
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Explain, using appropriate laws of motion, why the air exerts a force on the engine in the forward direction.

This question is taken from AQA 2016 question 1 part 2, http://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2016/june/AQA-74071-QP-JUN16.PDF The force is acting on the air by the engine. By Newton's 2...
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Answered by William L. • Physics tutor
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Describe how a competitive market would react to excess supply.

In competitive market, there is no governement interference and a lot buyers and sellers, so the market can operate equilibrium. When there is excess supply, there are too many goods which are not purchased ...
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Answered by William L. • Economics tutor
5993 Views

Bob has £500 and gives 70% to Edmund and 40% of what is left to George. Work out how much money each person has.

Bob - £90, Edmund - £350, George - £60.
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Answered by Martina D. • Maths tutor
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Solve the inequality 5x + 3 ≤ 3x − 6.

x ≤ -4.5
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Answered by Martina D. • Maths tutor
5150 Views