Question

${3x}^{2} + 6 = {5x}^{2} - 194$
​

Answer 1

x= 10
x= -10

Explanation:
-combine like terms -2x^2 + 200 = 0

-Divide -2 by both sides x^2 - 100 = 0

-Factor expression (x - 10) • (x + 10) = 0

-Split into two equations (x - 10 = 0) and (x + 10 = 0)

-Solve/Solution x = 10 and x = -10