Question

(х-5)(х+5)-x(x+3)<x+1

Answer 1

x²-25-x²-3x-x<1
-4x<26
x>-6,5

Answer 2

(х-5)(х+5)-x(x+3)<x+1
х²-25-х²-3х <х+1
-25-3х<х+1
-4х<26
х>-26/4
х>-13/2
х>-6,5