A student says that if 5x2 = 20, then x must be equal to 2. Do you agree or disagree with the student? Justify your answer.

Question

asked Sep 8, 2020 226k views

2 Answers

Spooks · Answer 1 · 2020-09-14T03:10:59+0000

Answer:

disagree

Explanation:

Given

5x² = 20 ( divide both sides by 5 )

x² = 4 ( take the square root of both sides )

x = ±
√(4) = ± 2

x = 2 or x = - 2 are the solutions to the equation