Question

Fill in the blank with a number to make the expression a perfect squared… W squared + 6w +

Answer 1

`(a+b)^(2) =a^(2)+2ab+b^(2)`

`(1)w^(2)+2(3)(1)w+3^(2)\\\\=(w+3)^(2)\\\\=(w+3)(w+3)`

Therefore,
`w^(2) +6w+9` makes a perfect squared.