Transcript text: Find the special product. $(2 x-7)^{2}$
Solution
Solution Steps
To find the special product of \((2x - 7)^2\), we can use the formula for the square of a binomial: \((a - b)^2 = a^2 - 2ab + b^2\). Here, \(a = 2x\) and \(b = 7\). We will apply this formula to expand the expression.
Step 1: Identify the Binomial Terms
Given the expression \((2x - 7)^2\), we identify the terms:
\(a = 2x\)
\(b = 7\)
Step 2: Apply the Binomial Square Formula
We use the formula for the square of a binomial:
\[
(a - b)^2 = a^2 - 2ab + b^2
\]
Step 3: Calculate Each Term
Substitute \(a = 2x\) and \(b = 7\) into the formula:
\[
(2x)^2 = 4x^2
\]
\[
2 \cdot 2x \cdot 7 = 28x
\]
\[
7^2 = 49
\]
Step 4: Combine the Terms
Combine the calculated terms to get the expanded form:
\[
(2x - 7)^2 = 4x^2 - 28x + 49
\]