middle term split 2x^2+11x-21
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2x^2+11x-21
= 2x^2 + 14x - 3x - 21
= 2x (x + 7) - 3 (x + 7)
=( x + 7) (2x - 3)
Answered by
2
Answer:
(x+7) (2x-3)
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