8x square - 22x - 21=0
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Answer:
8x^2-22x-21=0
8x^2-22x=21
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Step-by-step explanation:
8x^2-22x-21=0
8x^2-28x+6x-21
4x(2x-7) +3 ( 2x- 7)
(4x +3) (2x-7)
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