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Solving a Quadratic Equation by Factorization Method

If a = 3, b =...

Question

If a = 3, b = 7, c = 1, then find the value of $b^{2} - 4 a c$ .

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Solution

If $a = 3, b = 7, c = 1$
Then $b^{2} - 4 a c = 7^{2} - 4 \times 3 \times 1$
$= 49 - 12$
$= 37$

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