Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.
-$( 2 x + 1 ) ^ { 2 }$
A) $4 x ^ { 2 } + 1$
B) $4 x ^ { 2 } + 4 x + 1$
C) $2 x ^ { 2 } + 1$
D) $2 x ^ { 2 } + 4 x + 1$

Question

Quizplus · Accepted Answer

The correct expansion using the special product formula $(a+b)^2 = a^2 + 2ab + b^2$ is $4x^2 + 4x + 1$.

Multiply the Polynomials Using a Special Product Formula (2x+1)2( 2 x + 1 ) ^ { 2 }(2x+1)2

Multiply the Polynomials Using a Special Product Formula $( 2 x + 1 ) ^ { 2 }$