Question

And value of a
X.
4x+3
0819

Answer 1

Step-by-step explanation:

4x + 3 = 819

4x = 819 - 3

= 816

x = 816

4

x = 54

Answer 2

Answer:

Correct option is

C

a=12

4x

2

+ax+9=(2x+3)

2

=>4x

2

+ax+9=4x

2

+2(2x)(3)+9

=>ax=2(2x)(3)

=>ax=12x

=>a=12

Step-by-step explanation:

• it will help you