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Express x^2 +10x -3 in the form (x + p)^2 + q


x2 +10x-3=(x+5)2-25-3= (x+5)2 -28

CT
Answered by Carmen T. Maths tutor
6940 Views

Why do ionic compounds conduct electricity when molten or in solution, but not when solid?

Substances can conduct electricity if there is a way for charge to flow through that substance. For a substance to conduct electricity, it needs to contain some sort of charge carrier - this could be an e...

JQ
Answered by James Q. Chemistry tutor
110356 Views

Explore how the “victims” are created and used by the authors of both texts, in Toni Morrison’s “Beloved” and Oscar Wilde’s “The Picture of Dorian Gray”

[Example introduction]Victimisation is a key trope within literature, particularly in dealing with the supernatural. Both Wilde’s “The Picture of Dorian Grey” and Morrison’s “Beloved” grapple with the con...

MB
Answered by Molly B. English tutor
7817 Views

Why does gravitational potential energy have a negative value?

The negative value stems from the definition of gravitiational potential energy which states that it is equal to the work done by the gravitational field moving a body to its given position from infinity....

KP
Answered by Kush P. Physics tutor
4734 Views

3/5 of a number is 162. Work out the number.

If we call the unknown number 'x' we can put it in to an equation to work it out as we known 5/3 of the number is 162.5x/3 = 162then times each side of the equals symbol by 5 to get (3x/5) 5 = 162

LM
Answered by Lucy M. Maths tutor
13937 Views

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