Question 13 of 17 , Step 1 of 1
Correct

Does $x = - 7$ solve the following polynomial equation?
$- 54 x^{2} + 11 x = 8 x^{3} + 21$

Answer

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Answer

$Yes, x = - 7 is a solution to the given polynomial equation.$

Steps

Step 1 ：To check if $x = - 7$ is a solution to the given polynomial equation, we need to substitute $x = - 7$ into the equation and check if both sides of the equation are equal.

Step 2 ：Substitute $x = - 7$ into the equation, we get left side as -2723 and right side as -2723.

Step 3 ：Since both sides of the equation are equal, we can conclude that $x = - 7$ is a solution to the given polynomial equation.

Step 4 ： $Yes, x = - 7 is a solution to the given polynomial equation.$

Question 13 of 17 , Step 1 of 1Correct Does x=−7 solve the following polynomial equation?−54x2+11x=8x3+21 Answer

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Question 13 of 17 , Step 1 of 1
Correct

Does $x = - 7$ solve the following polynomial equation?
$- 54 x^{2} + 11 x = 8 x^{3} + 21$

Answer