Answer:
y = (x + 1.5)^2 + 1.75.
Explanation:
y = x^2 + 3x - 4
Completing the square:-
y = (x + 1.5)^2 - (1.5)^2 - 4
y = (x + 1.5)^2 - 2.25 + 4
y = (x + 1.5)^2 + 1.75 (answer).
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