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7x+xsquare-18=0 Plshelp
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4 votes
7x+xsquare-18=0
Plshelp

User Coreus
by
8.5k points

1 Answer

6 votes

Answer:

1.37001342

Explanation:

Given, 7x + x² - 18 = 0

7x + x² = 7x³

7x³ - 18 = 0

Transposing -18 to RHS (it will become +18)

7x³ = 0 + 18

7x³ = 18

x³ = 18/7 = 2.57142857

x = Cube root of 2.57142857
x = 1.37001342

User Doina
by
7.8k points
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