<span>An ionic crystal consists of ions bound together by electrostatic attraction. The arrangement of ions in a regular, geometric structure is called a crystal lattice. Examples of such crystals are the alkali halides, which include: potassium fluoride (KF)</span>
2x^2 - 2x - 40 = 2x^2 -10x + 8x - 40 = 2x(x - 5) + 8(x - 5)
= (x-5)(2x+8) = 2(x-5)(x+4)
Answer:
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Step-by-step explanation:
sdbhabjbgfybsbfsad gfhysabfubdfr
Answer:
I don't understand.
Step-by-step explanation:
If a=c and b=c then a=c this is transitive property
