Answer:
y = -4x^2 - 40x - 103
Explanation:
to get the standard form, you have to formulate the equation as
y = ax^2 + bx + c
we have to expand the (x+5)^2
y = -4((x+5)^2) - 3 = -4(x^2 + 10x + 25) - 3 = -4x^2 - 40x - 100 - 3 = -4x^2 - 40x - 103
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