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Question #99262

1 Answer

Nov 9, 2016

$y z + 8 y + 6.5 z + 52$ $color(green)(yz+8y+6.5z+52)$

Explanation:

$(8 + z) \times (6.5 + y)$ $(8+z) xx (6.5 + y)$

$XXX = 8 (6.5 + y) + z (6.5 + y) XX$ $color(white)("XXX")=8(6.5+y) + z(6.5+y)color(white)("XX")$ [distributive property]

$XXX = (52 + 8 y) + (6.5 z + y z)$ $color(white)("XXX")=(52+8y) + (6.5z+yz)$

$XXX = y z + 8 y + 6.5 z + 52 XX$ $color(white)("XXX")=yz+8y+6.5z+52color(white)("XX")$ [standard form]

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