Question

(y+9) (y+9) find the solution​

Answer 1

Answer:

$\large{(y+9(y+9)}$

${y}^{2} + 9y + 9y + 8$

$y {}^{2} + 18y + 81$

Answer 2

Step-by-step explanation:

$(y + 9)(y + 9) = {(y + 9)}^{2} \\ \\ = > by \: using \: formula \: {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2} \\ \\ = > {y}^{2} + 2 \times y \times 9 + 81 \\ \\ = > {y}^{2} + 18y + 81 \: \: answer$

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