Factorise.
(3) y2 + 24y + 144
(6) p? - 7p - 44
(1) x² + 9x + 18
(4) 5y2 + 5y - 10
(7) m² - 23m + 120
(2) x² - 10x + 9
(5) p? - 2p - 35
(8) m² - 25m + 100
(9) 3x2 + 14x + 15
(10) 2x2 + x - 45
(11) 20x² - 26x + 8
(12) 44x² - x - 3
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Answer:
3.
y2 + 24y +144
y2 + 12y+ 12y + 144
y( y +12) +12 ( y +12)
( y+12) ( y+ 12)
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