How do you evaluate the following expression when x = 3 and y = 4: for ${(3 x)}^{2}$ $(3x)^2$ ?

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Answer 1 · 2018-03-30T09:25:12

$81$ $81$

$substitute x = 3 into the expression$ $"substitute x = 3 into the expression"$

${(3 \times (3))}^{2} = 9^{2} = 81$ $(3xx(color(red)(3)))^2=9^2=81$

How do you evaluate the following expression when x = 3 and y = 4: for (3x)2(3x)^2?