factorise 4s²+4s-3 please show your working
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4s 2+ 4s - 3 = 4s 2 + 6s - 2s - 3 = 2s 2s + 3 - 1
2s + 3) = (2s - 1)(2s + 3)
4s 2 +4s−3
=4s 2 +6s−2s−3
=2s(2s+3)−1(2s+3)
=(2s−1)(2s+3)
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