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kicyunya [14]
3 years ago
10

Solve X²-5X-14=0 using quadratic formula

Mathematics
1 answer:
il63 [147K]3 years ago
6 0

Answer:

x=-2 or x=7

Step-by-step explanation:

X²-5X-14=0  find the factors of -14x² which is -7x and +2x

X² -7x + 2x - 14 = 0   factorize

x(x-7) + 2(x-7) = 0

(x+2)(x-7) =0

x+2 = 0 or x-7= 0

x=-2 or x=7

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denis23 [38]
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Showing the workMultiply 0.05 by 100 to convert to percent:

<span>0.05 × 100 = </span>5 %

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0.5 × 100 = 50 %
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