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1)simplify the expression (2x)^42)the perimeter of a rectangular is twice the sum of its length and its width. the perimeter is 16 meters and its length is 2 meters more then twice its width 3)Find the real numbers x and y that make the equation true.
-3 + yi = x + 6i

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Accepted Answer

[tex](2x)^4=16x^4[/tex]------------------------------------------[tex]2(l+w)=16\\
l=2w+2\\\\
2(2w+2+w)=16\\
6w+4=16\\
6w=12\\
w=2\\\\
l=2\cdot2+2\\
l=6
[/tex]-------------------------------------------[tex]-3+yi=x+6i\Rightarrow x=-3 \wedge y=6[/tex]