Question

C) 5x2 + 8x = 8x + 500​

Answer 1

5x² + 8x = 8x + 500​

5x² + 8x - 8x - 500​ = 0

5x² - 500​ = 0

5x² = 500​

x² = 500/5

x² = 100

√x²  = √100

x = ± 10

CS = (-10; 10)

☆༒ axllxa  ༒☆