What is the value of the value below. 4/5+3/5+3.5*5
1 answer:
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Answer:
y = (x - )² -
Step-by-step explanation:
Given
y = (x + 2)(x - 3) ← expand factors
= x² - x - 6
Use the method of completing the square
add/ subtract ( half the coefficient of the x- term )² to x² - x
y = x² + 2(- ) x +
-
- 6
= (x - )² -