Factorize
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Answered by
2
Answer:
2x²-3x-5
= 2x²-5x+2x-5 (Split the middle term)
=x(2x-5)+1(2x-5)
=(2x-5)(x+1) or (x+1)(2x-5).
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Answered by
28
☤ Solution:
2x² - 3x - 5
:: We have to find that two numbers whose product is 10 and whose addition or substrate is 3 .
So that numbers be 5 and 2.
Product 5 × 2 = 10
Substrate 5 - 2 = 3
2x² - 3x - 5
2x² - (5 - 2)x - 5
2x² - 5x + 2x - 5
x(2x - 5) + 1(2x - 5)
(2x - 5) (x + 1)
Hence,
Factorised !!
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