Question

.No.3. Find the value of; 2x3 - 3x + root 5 when x = -3​

Answer 1

Answer:

$2{x}^{3} - 3x + \sqrt{5}$

$x = - 3$

${2( - 3)}^{3} - 3( - 3) + \sqrt{5}$

$2( - 27) + 9 + \sqrt{5}$

$- 54 + 9 + \sqrt{5}$

$- 45 + \sqrt{5}$

$45 - \sqrt{5 } \: is \: the \: answer \: of \: this \: queston$

Answer 2

Answer:

-45 +√5

Step-by-step explanation: