coreyjarrett coreyjarrett

13-08-2016
Mathematics

contestada

v^2+16v+ ?
Make the expression a perfect square

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Panoyin Panoyin

13-08-2016

v² + 16v + 64
v² + 8v + 8v + 64
v(v) + v(8) + 8(v) + 8(8)
v(v + 8) + 8(v + 8)
(v + 8)(v + 8)
(v + 8)²

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dalendrk dalendrk

13-08-2016

[tex](a\pm b)^2=a^2\pm 2ab+b^2\\\\v^2+16v+?=v^2+2v\cdot8+?\\\\therefore\ ?=8^2\\\\\\Answer:\boxed{v^2+16v+64=(v+8)^2}[/tex]

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