Question

What is 2x-3=4(x-5)? And also what is 2x squared=50?

Answer 1

2x - 3 = 4(x - 5)
2x - 3 = 4x - 20
4x - 2x = 20 - 3
2x = 17
x = 8 1/2

2x² = 50
x² = 25
x = $\pm$√25
x = $\pm$5