x = -(-3) ± √(-3)² - 4(2)(-5) / 2(2) correctly applies to the quadratic formula.
What is quadratic equation?
Any equation in algebra that can be written in standard form as where x is an unknown and a, b, and c denote known numbers, where a 0 is a quadratic equation. Since there is no ax² term, the equation is linear rather than quadratic if a = 0.
Given
a = 2
b = -3
c = -5
x = -(b) ± √(b)² - 4(a)(c) / 2(a)
x = -(-3) ± √(-3)² - 4(2)(-5) / 2(2)
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