Question

Pls pls help I don’t understand

Answer 1

`Given~quadratic ~function : 1=x^2-6x`

`here,a=1,b=-6`

`so, the~numbers~which ~we ~need ~to ~add....`

➜
`((b)/(2) )^2`

➜
`=((-6)/(2))^2`

➜
`=(-3)^2`

➜
`=9`

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hope it helps...

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