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quester [9]
3 years ago
15

7 Solve the equation x^2 - 8x + 15 = 0.

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

x = -5

Evidence to support reasoning:

Oksanka [162]3 years ago
3 0

Answer:

x=5   x=3

Step-by-step explanation:

x^2 - 8x + 15 = 0

Factor

What 2 numbers multiply to 15 and add to -8

-5*-3 = 15

-5-3 = -8

(x-5)(x-3) =0

Using the zero product property

x-5 =0    x-3 =0

x=5   x=3

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