Question

Help me please !!! I need this

Answer 1

the answer is A

Explanation:

all you gotta do is (4x+3)(4x+3)

(4x)(4x)+(4x)(3)+(3)(4x)+(3)(3)

16x[2] + 12x+12x+9

and that equals 16x[2] +24x=9

Answer 2

the third one

Explanation:

(4x+3)(4x+3)

=(4x)(4x)+(4x)(3)+(3)(4x)+(3)(3)

=16
`x^(2)`+12x+12x+9

=16
`x^(2)`+24x+9