Question

Find discrimnant of equation x2-3x-10=0​

Answer 1

Answer:

your solution is as follows

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Step-by-step explanation:

$to \: find : \\ value \: of \: discriminant \\ \\ given \: quadratic \: equation \: is \\ x {}^{2} - 3x - 10 = 0 \\ \\ comparing \: it \: with \\ ax {}^{2} + bx + c = 0 \\ we \: get \\ \\ a = 1 \\ b = - 3 \\ c = - 10 \\ \\ we \: know \: that \\ \\ Δ = b {}^{2} - 4ac \\ \\ = ( - 3) {}^{2} - 4 \times 1 \times ( - 10) \\ \\ = 9 - ( - 40) \\ \\ = 9 + 40 \\ \\ Δ = 49$