Question

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

Answer 1

Answer:

$(a+b)^{2} =a^{2}+2ab+b^{2}$

$(1)w^{2}+2(3)(1)w+3^{2}\\\\=(w+3)^{2}\\\\=(w+3)(w+3)$

Therefore, $w^{2} +6w+9$ makes a perfect squared.