Spatial order.
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a and b........................
(2x-3)(x+7)=
2x^2 + 14x - 3x - 21=
2x^2+11x-21.
B - to define his democratic principles
Dr. Martin Luther King shows his democratic principles in this exerpt in his use of the words "rise from the bondage of myths and half truths' as well as 'the need to 'help men rise from the dark depths of prejudice' through nonviolence.
