diff --git a/lab07.py b/lab07.py
new file mode 100644
index 0000000..49ef8e5
--- /dev/null
+++ b/lab07.py
@@ -0,0 +1,7 @@
+x = -1
+x = float(x)
+
+y=3*x**3-2*x**2+3*x-1
+
+print("y=", y)
+