Question

Find the value of; 2x3 - 3x + √5 when x= -3​

Answer 1

Answer:

15 + root under 5

See... 2×3 - 3x + root under 5

= 6 - 3x + root under 5

Putting the value of x= -3

= 6 -3 (-3) + root under 5

= 6 + 9 + root under 5

= 15 + root under 5