Which equation can be solved using the expression - 3 plus or minus the square root of (3) squared + 4 (10) (2) / 2 (10) for x

Question

Saniya Cannon

Mathematics

24 September, 02:20

Which equation can be solved using the expression - 3 plus or minus the square root of (3) squared + 4 (10) (2) / 2 (10) for x

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Answers (1)

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Irene Mata · Answer 1

This is the concept of quadratic equations; We required to find the type of equation that can be solved using the model that has been used to solve the equation such that the answer is:

[-3+-sqrt (3^2+4 (10) (2)) ] / (2 (10))

The formual that was applied here was a quadratic formula given by:

x=[-b+/-sqrt (b^2-4ac) ]/2a

whereby from the our substituted values above,

a=10, b=3 and c=-2

such that the quadratic equation will be:

10x^2+3x-2