3y²+7y-24 factorise
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Step-by-step explanation:
7y = -3y2 - 4
3y2 + 7y + 4 = 0
3y2 + 3y + 4y + 4 = 0
3y ( y + 1 ) 4 ( y + 1 )
( y + 1 ) ( 3y + 4 )
y + 1 = 0 , and 3y + 4 = 0
y = -1 and. 3y = - 4
y = -1 and. y = -4/3
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