Question

factorise x²-9x= 112​

Answer 1

Answer:

x^2-9x=112

=> x^2-9x-112=0

=> x^2-16 x+7x-112=0

=> x(x-16)+7(x-16)=0

=> (x-16)(x+7)=0

x-16=0

=> x=16

x+7=0

=> x= -7

Answer 2

Answer:

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