Question

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4x³+65=98
​

Answer 1

Answer:

4x³+65=98

solution

Step-by-step explanation:

4x³=98-65

4x³=33

x³=33/4

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Answer 2

Given: 4x³+65=98 ​

Solution:

4x³ + 65 = 98 ​

Subtract 98 from both the sides

4x³ + 65 - 98 ​= 0

4x³ - 33 ​= 0

Add 33 on both the sides

4x³ - 33 ​+ 33 = 0 + 33

4x³ = 33

Divide both sides by 4

(4x³) ÷ 4 = 33 ÷ 4

x³ = 33 ÷4

x³ = 8.25

When two things are equal, their cube roots are equal.

Taking the cube root of the two sides of the equation we get:

x = $\sqrt[3]{8.250}$

x = 2.02062