Question

factorize by middle term spiliting (a) 9x²-3x-9 (b) x²+14x+40 (c) 5x²+16x+3

Answer 1

(b) x²+10x+4x+40
x(x+10) +4(x+10)
(x+10) (x+4)

(c) 5x²+15x-1x+3
5x(x+3)-1(x+3)
( x+3) (5x-1)

Answer 2

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