Answer:
the third one
Step-by-step explanation:
(4x+3)(4x+3)
=(4x)(4x)+(4x)(3)+(3)(4x)+(3)(3)
=16[tex]x^{2}[/tex]+12x+12x+9
=16[tex]x^{2}[/tex]+24x+9
the answer is A
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
