Problemas
Describe and correct the error a student made when starting to solve the equation 8^x+3=2^2x-5 8^x+3=2^2x-5 (2^3)^x+3=2^2x-5 2^3x+3=2^2x-5 B. The student did not distribute 3in(2^3)^x+3 across x+3 C. The student should have expressed the initial rational exponent as the sum of two rational exponents. D. The student did not convert 8 to the correct power of 2 The correct answer is x=square (Simplify your answer.)
Roztwór
Paulina
maestro · Tutor durante 5 años
3.9
(256 Votos)
Respuesta
The student made an error in the second step of solving the equation. The correct way to rewrite
is
, which simplifies to
. Therefore, the correct equation should be
. From there, we can equate the exponents to get
. Solving this equation gives
.The correct answer is
.