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What is the standard form of $y = {(x + 5)}^{2} + {(2 x - 4)}^{2}$ $y= (x+5)^2+(2x-4)^2$ ?

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Jun 19, 2018

$y = x^{2} + 10 x + 25 + 4 x^{2} - 16 x + 16$ $y=x^2+10x+25+4x^2-16x+16$

$y = 5 x^{2} - 6 x + 41$ $y=5x^2-6x+41$

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