<span><span>(<span>x<span><span>2</span><span></span></span></span>−2<span>x<span><span>2</span><span></span></span></span>)+(4x+5x)+6</span><span>this is your answer
</span><span><span>−<span>x<span><span>2</span><span></span></span></span>+9x+6</span><span>
</span></span></span>
5^3. B.B. bbffgnjgfvnj. Hbhgdf
Idk maybe we can ask someone else
So the answer is going to be b)77
<h2>
Hello!</h2>
The answer is: True.
<h2>Why?</h2>
A counterexample is a way that we can prove that something is not true about a mathematical equation or expression, it's also considered as an exception to a rule.
So:
Then, evaluating we have:
Hence, we can see that the equation is not fulfilled, so, 45° is a counterexample for and the answer is true.
Have a nice day!