2x^2+5m=9 check whether m=2 is a root of quadratic equation
Answers
Answered by
2
Step-by-step explanation:
2x^2 + 5m - 9 = 0
= 4x^2 + 5(2) - 9 = 0
= 4x^2 + 10 - 9 = 0
= 4x^2 + 1 = 0
= 4x^2 = - 1
= x^2 = - 1/4
Similar questions