15-05-2015
Mathematics

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y=(x-8)^2+5 please help with the beginning steps

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Panoyin Panoyin

17-05-2015

y = (x - 8)² + 5
y = (x - 8)(x - 8) + 5
y = x(x - 8) - 8(x - 8) + 5
y = x(x) + x(8) - 8(x) - 8(-8) + 5
y = x² - 8x - 8x + 64 + 5
y = x² - 16x + 64 + 5
y = x² - 16x + 69

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