Question

question
express ((x + 10)^2) as a trinomial in standard form.
answer attempt 1 out of 2
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Explanation:

Step1: Apply square of binomial formula

$(a+b)^2 = a^2 + 2ab + b^2$ where $a=x$, $b=10$

Step2: Calculate each term

$a^2 = x^2$, $2ab = 2(x)(10)=20x$, $b^2=10^2=100$

Step3: Combine terms

$x^2 + 20x + 100$

Answer:

$x^2 + 20x + 100$