-9x^2 + 9x + 4 = 0
Factorize by using Middle Term Split
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Answer:
-9x^2+9x+4=0
=> -9x^2+12x-3x+4=0
=> -3x(3x-4)-1(3x-4)=0
=> (3x-4)( -3x-1)=0
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