Find the special product using the appropriate formula.
-$$( 2 x - 5 ) ( 2 x + 5 )$$
A) $4 x ^ { 2 } - 20 x - 25$
B) $4 x ^ { 2 } - 25$
C) $4 x ^ { 2 } + 20 x - 25$
D) $2 x ^ { 2 } + 20 x - 25$

Question

Quizplus · Accepted Answer

This is a special product of the form $(a+b)(a-b)=a^2-b^2$. In this case, $a=2x$ and $b=5$, so the product is $(2x)^2-5^2=4x^2-25$. Therefore, the answer is B.

Find the Special Product Using the Appropriate Formula (2x−5)(2x+5)( 2 x - 5 ) ( 2 x + 5 )(2x−5)(2x+5)

Find the Special Product Using the Appropriate Formula $( 2 x - 5 ) ( 2 x + 5 )$