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
Answer:
2.5
Step-by-step explanation:
16-13.50
Answer:
ax 2+bx+c,where a≠0
Step-by-step explanation: