Use double angle identity

We can relate '6x' to '3x' in the same way since 6 is 2*3.

Now sub into left side of identity. Simplify until it equals right side.
Answer:i just need points sorry
Step-by-step explanation:
<span>Estimate
</span>44,596,251 = <span>45,000,000
</span>28,257,934 = <span>28,000,000
</span>45,000,000 - 28,000,000 = 17,000,000
answer
17,000,000