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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