bara13
bara13
18-01-2017
Mathematics
contestada
what is 8x+x squared?
Respuesta :
Abby285
Abby285
18-01-2017
(8x + x)^2
= (8x + x)(8x + x)
= 8x(8x + x) + x(8x + x)
= 64x^2 + 8x^2 + 8x^2 + x^2
= 81x^2
OR
(8x + x)^2
= (9x)^2
= 9x * 9x
= 81x^2
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Selen13
Selen13
18-01-2017
well is would be 8 again because the x is a 1
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