Question

Q3) Solve the following:
(a) Find the value of 3x2 - 4x2 when x = -1.​

Answer 1

Answer:

-1

Step-by-step explanation:

on putting the value of x as -1 in the equation given as 3x²-4x² ,we get

3×(-1)² - 4×(-1)²

3×1 - 4×1

3-4

-1

Answer 2

3×(-1)-4÷(-1)

3×1-4×1

3×4

-1