Solve for x. x2 + 7x + 10 = 0
1 answer:
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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