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nata0808 [166]
3 years ago
9

Describe each step taken to solve the equation. Then, check the solution to see if it is valid. If it is not a valid solution, e

xplain why a) √x+6=4b)∛x+6=4.
Mathematics
1 answer:
TEA [102]3 years ago
4 0

Answer:

Step-by-step explanation:

given,

a) √x + 6 = 4                                                    

to solve the above equation subtract both side with 6

    √x + 6 - 6  = 4 - 6                  

                √x  = -2                  

squaring both side

                (√x)² = (-2)²              

                       x = 4            

a) ∛x + 6 = 4                                            

to solve the above equation subtract both side with 6

    ∛x + 6 - 6  = 4 - 6

                ∛x  = -2

cubing  both side

                (√x)³ = (-2)³

                      x = -8

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