Question

x²-7x-3=0 quadratic equation using formula method.​

Answer 1

Required Answer:-

Given:

• x² - 7x - 3 = 0

To Find:

• The roots of the given Quadratic Equation by using formula.

Solution:

Given,

➡ x² - 7x - 3 = 0

Here,

• a = 1
• b = -7
• c = -3

Therefore,

➡ D = b² - 4ac

➡ D = (-7)² - 4 × 1 × (-3)

➡ D = 49 + 12

➡ D = 61

Therefore,

➡x = (-b ±√D)/2a

➡ x = (7 ±√61)/2

➡ x = (7 + √61)/2 and (7 - √61)/2

★ Hence, the roots of the given quadratic equation are (7 + √61)/2 and (7 - √61)/2

Answer:

• The roots of the given quadratic equation are (7 + √61)/2 and (7 - √61)/2

Answer 2

Step-by-step explanation:

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