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3 years ago

Solve for x in the equation x^2-4x-9=29

Mathematics

2 answers:

skad [1K]3 years ago

7 0

<span>Solve for x in the equation x^2-4x-9=29
</span>
The Answer Is

X=168

vesna_86 [32]3 years ago

3 0

${x}^{2} - 4x - 9 = 29 \\ {x}^{2} - 4x - 38 = 0 \\ \\ x12 = \frac{ - b \frac{ + }{ - } \sqrt{d} }{2} \\ d = {b}^{2} - 4ac \\ d = 16 + 152 = 168 \\ \\ x1 = \frac{4 - \sqrt{168} }{2} \\ x2 = \frac{4 + \sqrt{168} }{2}$

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