Question

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question 3
using what you know from question 3, what could you add to the expression ( x^2 - 10x ) so it can be factored into a square expression of the form ( (x + a)^2 )?
the constant term is the square of half the coefficient of ( x ).

Explanation:

Step1: Identify x coefficient

Coefficient of $x$ is $-10$.

Step2: Calculate half the coefficient

$\frac{-10}{2} = -5$

Step3: Square the result

$(-5)^2 = 25$

Answer:

25