Jackson is building a sandbox for his son. He needs to fill it with about 1 1 /2 feet of sand. If his sandbox is 4 feet by 2 fee
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Answer:
Step-by-step explanation:
Given
x² - 3x
To make the expression a perfect square
add ( half the coefficient of the x- term )²
x² + 2( - )x +
, thus
x² - 3x +
= (x - )² ← a perfect square