2x²+11x-21 middle term spliting
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this is your answer hope it will help you....
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hi mate,
solution:
Factoring 2x²+11x-21
2x² - 3x + 14x - 21
Step-1 : Add up the first 2 terms, pulling out like factors :
x • (2x-3)
Add up the last 2 terms, pulling out common factors :
7 • (2x-3)
Step-2 : Add up the four terms of step 2 :
(x+7) • (2x-3)
Which is the desired factorization
Final result :
(2x - 3) • (x + 7)
2x- 3 = 0 and x+7 = 0
x = 3/2 and x = - 7
i hope it helps you.
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