factorise the sum 2x²+x-15
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Given,
The polynomial 2x²+x-15 is given.
To find,
We have to find the factors of 2x²+x-15.
Solution,
The factors of 2x²+x-15 are (x+3) and (2x-5).
We can simply factorize the given polynomial 2x²+x-15 by splitting the middle term.
2x²+x-15
2x²+(6-5)x-15
2x²+6x-5x-15
2x(x+3)-5(x+3)
(x+3)(2x-5)
Hence, the factors of 2x²+x-15 are (x+3) and (2x-5).
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