24-09-2020
Mathematics

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What is x if (4x+5)+(x^2+10)=180

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kailin2004 kailin2004

24-09-2020

Answer:

x= 11, -15

Step-by-step explanation:

(4x + 5) + x^2 +1 0) = 180

x^2 + 4x + 15 = 180

x^2 + 4x + 15 - 180 = 0

x^2 + 4x - 165 = 0

x = 11, -15

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