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Alex Ar [27]
2 years ago
9

Solve each of the following quadratic equations.

Mathematics
2 answers:
defon2 years ago
8 0
A. x = 5
b. x = 3.38…
il63 [147K]2 years ago
4 0

Answer:

a. \:  \: x = 3 \:  \: and \: 5

<h3>b. \:  \:  x =  \frac{5± \sqrt{73} }{4}</h3>

Step-by-step explanation:

a. \:  \:  \: x^2-8x+ 15 = 0 \\  {x}^{2}  - 5x - 3x + 15 = 0 \\ x(x  - 5) - 3(x - 5) = 0 \\ (x - 3)(x - 5) = 0 \\ x = 3 \: and \: 5

b. \:  \: 2x^2 - 5x - 6 =0 \\ x =  \frac{5± \sqrt{73} }{4}

<h3>Hope it is helpful....</h3>
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