Damon buys lumber worth $562. He gets a 20% contractor's discount. The sales tax is 6%. His credit gives him 2% off. How much do
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Answer:
Step-by-step explanation:
Given
x² + x
To complete the square
add ( half the coefficient of the x- term )² to x² + x
x² + 2( )x + (
)² = x² + x +
= (x + )² ← perfect square