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Factorise 8(x-3y)^2+4(x-3y)....No spam... |
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Answer» -step explanation:4(2x−3y) 2 −8x+12y−3 =4(2x−3y) 2 −4(2x−3y)−3 LET (2x−3y) be a THEREFORE, =4a 2 −4a−3 =4a 2 −6a+2a−3 =2a(2a−3)+1(2a−3) =(2a+1)(2a−3) PUTTING the value of a we GET, =[2(2x−3y)+1][2(2x−3y)−3] =(4x−6y+1)(4x−6y−3) |
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