Respuesta :
hello
x+5 + x+6 +x^2-2x + 2x-3 = 43
2x+11 + x^2 - 3 = 43
x^2 + 2x + 8 = 43
x^2 + 2x - 35 = 0
(x + 7)(x - 5) = 0
so x = -7 and x = 5.
Only x = 5 makes sense so
side 1 = x + 5 = 10
side 2 = x + 6 = 11
side 3 = x^2 - 2x = 15
side 4 = 2x - 3 = 7
Check:
10 + 11 + 15 + 7 = 21 + 22 = 43
Have a nice day
x+5 + x+6 +x^2-2x + 2x-3 = 43
2x+11 + x^2 - 3 = 43
x^2 + 2x + 8 = 43
x^2 + 2x - 35 = 0
(x + 7)(x - 5) = 0
so x = -7 and x = 5.
Only x = 5 makes sense so
side 1 = x + 5 = 10
side 2 = x + 6 = 11
side 3 = x^2 - 2x = 15
side 4 = 2x - 3 = 7
Check:
10 + 11 + 15 + 7 = 21 + 22 = 43
Have a nice day
