Felix was asked whether the following equation is an identity:
(X^2+1)^2 = (x^2-1)^2+(2x)^2

Felix started that the equation is a true identity.

Is Felix correct? If not, in which step did he make a mistake?

Plz hurry (will mark Brainliest)

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x