12 Solve using the Quadratic Formula for 2x2 + 5x – 3 = 0
x = -5, 7
b. X = -12,2
X = -3,42

Step-by-step explanation:

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Here , a = 2 , b = 5 & c = -3 {a is the coefficient of x² , b is the coefficient of x and c is the constant term }

Now ,

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Taking positive ( + ) sign :

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Taking negative ( - ) sign :

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a

step-by-step explanation:

its 50 miles away from the starting point