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(x - 3)(x + 4) = 0 Solve for x

(x - 3)(x + 4) = 0 x=3 and x=-4
DL
Answered by Danayan L. • Maths tutor
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What are the differences between an introduction and conclusion in a history essay?

An introduction and conclusion are similar and important parts of any history essay. It is crucial though that you do not repeat yourself. An introduction directly addresses the essay question and clearly st...
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Answered by Therese R. • History tutor
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expand and simplify (x+7)(2x+4)

Using the F.O.I.L rule, standing for first, outside, inside, last, we would multiply out the relevant terms. to give: 2x^2+4x+14x+28. Once we have successfully multiplied out the brackets, we would identify ...
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Answered by Ed D. • Maths tutor
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I don't understand acceleration and how something can accelerate without speeding up.

For this we must take a step back and analyse the meaning of acceleration. Acceleration is a change in VELOCITY - this is very important. Velocity is speed in a particular DIRECTION. You may be confusing vel...
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Answered by Jana S. • Physics tutor
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What are the features of a diamond allotrope?

diagram of the covalent structure of diamond- allotrope Each carbon has 4 covalent bonds- what are covalent bonds? these are when two atoms share a pair of electrons. These are very strong bonds, causing the...
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Answered by Nikita V. • Chemistry tutor
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