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ax2 + bx + c = 0

x2 + 14x + 49 = 0

Figure out what two numbers can be multiplied to get the sum of a + c and can be added together to equal b.

7 * 7 = 49

7 + 7 = 14

(x + 7)(x + 7) = 0

Solve each for x:

x + 7 = 0

x = -7

x + 7 = 0

x = -7

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15y ago

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