what is 8x+x squared?
(8x + x)^2 = (8x + x)(8x + x)= 8x(8x + x) + x(8x + x)= 64x^2 + 8x^2 + 8x^2 + x^2= 81x^2OR(8x + x)^2= (9x)^2= 9x * 9x= 81x^2
well is would be 8 again because the x is a 1
