Try another version of this question
Multiply and simplify completely:
`(4x+3)(4x+4)`
`(4x+3)(4x+4)`
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
`16*x^2 + 28*x+ 12`