factorise (1) 3x^2+11x+30
(2) 22x^2+9x+52 by splitting the middle term
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Step-by-step explanation: (a) not possible
(b) not possible
(c)4x²-13x+10
=4x²-8x-5x+10
=4x(x-2)-5(x-2)
(x-2)(4x-5).(Answer)
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