Question

Simplify the expression. 1.4z^2 + 5.4 + 6z - 2.1 - 3z. + z^2 =

Answer 1

1.4z² + 5.4 + 6z - 2.1 - 3z + z² =​

Combining similar terms:

= (1.4z² + z²) + (6z - 3z) + (5.4 - 2.1) =

= 2.4z² + 3z + 3.3