Question

Find the value of x: (-2)3×(-2)-6 = (-2)2x+1

Answer 1

Answer:

From the laws of exponents , we know that, am × an = a(m+n) So , we have , (–2)3 × (–2)–6 =(-2)(3)+(-6) = (-2)(-3) Now , we have , (-2)(-3) = (-2)(2x-1) On comparing both the sides , we get -3 = 2x-1 2x = -3 + 1 2x = -2 x = -2/2 = -1 ∴ x = -1Read more on Sarthaks.com - https://www.sarthaks.com/855956/find-the-value-of-x-so-that-2-3-2-6-2-2x-1?show=855960#a855960