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18-05-2020
Mathematics

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(x-2)(x + 5) = 18
What is the he solution the this question

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Anisatunizzati Anisatunizzati

18-05-2020

Answer:

(4, -7)

Step-by-step explanation:

(x - 2)(x + 5) = 18

x² + 5x - 2x - 10 = 18

x² + 3x - 10 - 18 = 0

x² + 3x - 28 = 0

(x - 4)(x + 7) = 0

x - 4 = 0

x = 4

x + 7 = 0

x = -7

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