Question

Simplify:
ii) x²+6xy+9y²​

Answer 1

Answer:

${x}^{2} + 6xy + 9 {y}^{2} = {x}^{2} + 3xy + 3xy + 9 {y}^{2} = x(x + 3y) + 3y(x + 3y) = (x + 3y)(x + 3y) = {(x + 3y)}^{2}$

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