Question

Solve using formula = 5x^{2} – 2x – 3 = 0

Answer 1

Answer:

x = 1     ;     x = -3/5

Step-by-step explanation:

5x² - 2x - 3 = 0

Using Splitting the middle term method,

5x² - 5x + 3x -  3 = 0

5x(x - 1) + 3(x - 1) = 0

(x - 1)(5x + 3) = 0

x - 1 = 0                       5x + 3 = 0

x = 1                             5x = -3

                                    x = -3/5

Answer 2

Answer:

a=5, b= -2, c= -3

Step-by-step explanation:

x= -b±\|b^2-4ac/2a

=-5±\|5^2-4×5×-3/2×5

=-5±\|25+60/10

= -5±\|85/10

therefore, -5+\|85

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10

-5-\|85

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10

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