Question

square of 3x-4xy is ​

Answer 1

Answer:

3x-4xy

=(3x-4xy)^2

={(3x)^2-2×3x×4xy+(4xy)^2}

=9x^2-24x^2y+16x^2y^2

Step-by-step explanation:

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Answer 2

Answer:

$(3x-4xy)^{2}$ = 9$x^{2}$-24$x^{2}$y+16$x^{2}$$y^{2}$

Step-by-step explanation:

$(3x-4xy)^{2}$ = $(3x)^{2}$- 2(3x)(4xy)+$(4xy)^{2}$    [∵$(a-b)^{2} = a^{2} - 2ab + b^{2}$]

                  =9$x^{2}$-24$x^{2}$y+16$x^{2}$$y^{2}$

                 

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