Question

in each of the following find the value of a: (i) 4x²+ax+9=(2x+3)²​

Answer 1

Step-by-step explanation:

4x^2+12x+9

so, a = 12.

hope this answer your statement

Answer 2

Answer:

4x^2 + ax + 9 = 2x - 3 ^2

4x^2 + ax + 9 = 4x^2 - 12x + 9

4x^2 - 4x^2 + ax + 9 - 9 = -12x

ax = -12x

a = -12

Step-by-step explanation: