Factorize
2x2 + 5x - 25
Solution
=
2x2 + 5x - 25
=
2x2 + 10x – 5x - 25
=
(2x2 + 10x) - (5x - 25)
=
2x(x + 5) - 5(x + 5)
=
(2x - 5) (x + 5)
Hence 2x2 + 5x - 25 = (2x - 5) (x + 5)
answer
TRY THIS...................................
Factorize
3x2 + 14x - 5
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