4x^2+ax+9=(2x+3)^2 . find the value of a
Answers
Answered by
1
Expanding the right hand side,
4x^2 + ax + 9 = 4x^2 + 12x + 9
Comparing the coefficient of x,
a = 12
4x^2 + ax + 9 = 4x^2 + 12x + 9
Comparing the coefficient of x,
a = 12
Similar questions