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3 years ago

Solve for x. x2 + 7x + 10 = 0

Mathematics

1 answer:

Troyanec [42]3 years ago

6 0

Answer:

x = -2, -5.

Step-by-step explanation:

x^2 + 7x + 10 = 0

Note that 2*5 = 10 and 2 + 5 = 7 so the factors are:

(x + 2)(x + 5) = 0

x + 2 = 0 gives x = -2

x + 5 = 0 gives x = -5.

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