Question

if x-1+x=1+5 then evaluate x+x^2-1

Answer 1

x - 1 + x = 1 + 5

2x - 1 = 6

2x = 7

x = 7/2




Then,


x + x² - 1

(7/2) + (7/2)² - 1

7/2 + 49/4 - 1

(14 + 49 - 4)/4

59/4

Answer 2

hope this will help you