expand. if necessary, combine like terms. $(x - 2)^2=$

Answer:

$x^{2}-4x + 4$

Explanation:

Step1: Apply the formula $(a - b)^2=a^{2}-2ab + b^{2}$

$(x - 2)^2=x^{2}-2\times x\times2+2^{2}$

Step2: Calculate the multiplications

$x^{2}-2\times x\times2+2^{2}=x^{2}-4x + 4$