Equation: y=x^2+3x-4 solve for y in vertex form

y = (x + 1.5)^2 + 1.75.

Step-by-step 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).

divide by 5

step-by-step explanation:

60/5 = 12