Question

factorise 81(x+1)^+90(x+1)(y+2)+25(y+2)^

Answer 1

81(x+1)^2+90(x+1)(x+2)+25(y+2)^2 =[9(x+1)]^2+2*9(x+1)5(y+2)+[5(y+2)]^2 =[9(x+1)+5(y+2)]^2 =(9x+9+5y+10)^2 =(9x+5y+19)^2 =(9x+5y+19)(9x+5y+19)

Answer 2

Step-by-step explanation:

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