Question

if X=8 find the value of x^2+x-5​

Answer 1

Answer:

$x = 8 \: \: \\ {x}^{2} = {8}^{2} = 64 \\ {x}^{2} + x - 5 = 64 + 8 - 5 = 67$

Answer 2

Answer:

Answer is 19

Step-by-step explanation

x^2+x-5

8^2+8-5

8^2 = 8x8 = 16

16+8-5

24-5

=19