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How I can solve this quadratic equation using the quadratic formula? x2 + 4x = 5.

User Joalcego
by
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1 Answer

3 votes

Answer:

Explanation:

x^2 + 4x - 5 = 0

-4/2 + (sqrt(16 - 4(1)(-5)))/2

-2 + (sqrt(16+20)/2

-2 + (sqrt(36)/2

-2 + 6/2

-2 + 3

-2 + 3 = 1

-2 - 3 = -5

User Thingamajig
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7.1k points