Question

(x+3y)× (x+3y)
Using identity find the product​

Answer 1

$(x + 3y) \times (x + 3y)$

${(x + 3y)}^{2}$

${x}^{2} + 2xy + {y}^{2}</strong> (formula)$

${x}^{2} + 2(x)(3y) + {(3y)}^{2}$

${x}^{2} + 6xy + 9 {y}^{2}$

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Answer 2

Step-by-step explanation:

(x+3y)(x+3y)

= (x+3y)^2

= x^2+2*x*3y+3y^2

=x^2+6yx+9y^2

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