Question

Multiply: (4x+7)^2

Answer 1

(a+b)^2 = a^2 + 2ab + b^2. Solve accordingly.

Answer 2

using foil:16x^4 -1

Answer 3

@josie_2015 that is (4x^2+1)(4x^2-1) isn't it

Answer 4

@luckythebest i dont understand what your saying

Answer 5

there are no like terms or anything. how am i supposed to solve this?

Answer 6

\[(4x+7)^2 = (4x+7)(4x+7)=16x^2+56x+49\]

Answer 7

@thomaster how did u get that answer?

Answer 8

\[(4x+7)(4x+7) = 16x^2+28x+28x+49\]\[4x*4x =16x^2\]\[4x*7=28x\]\[7*7=49\] 28+28 = 56