Question

Log2(x+2) + log 2X =3

Answer 1

Answer: look below

Explanation:

`log2(x+2) + log(2x) = 3\\log (4x+4)+log 2x = 3\\log(8x^2 + 8x) = 3\\10^3 = 8x^2 + 8x\\1000/8 = x^2 + x\\x^2 + x - 125 = 0\\x = -0.5 +/- \sqrt{(501)/(2) }`