4h² - 2h + 6
h = -2, subtitute
4 · (-2)² - 2 · (-2) + 6 = 4 · 4 + 4 + 6 = 16 + 4 + 6 = 26
Answer:
37.7
Step-by-step explanation:
ig
First let us find


Now let;s solve the second part
ANSWER

EXPLANATION
The given expression is

We regroup the numerical parts to get;

Now let us simplify the negative numbers.

We now subtract 19 from 42 to get;

We can't simplify further
Hence the simplest form is:
