The square of a number -> a²
three fourts the square = 3/4 *a ²= 3a²/4
2(3 + 9x) - 2x
= 6 + 9x - 2x <----------------mistake right here
= 6 + 7x
Correct:
Expanding by using distributive property
2(3 + 9x) - 2x
= 2* 3 + 2 * 9x - 2x
= 6 + 18x - 2x
= 6 + 16x
Answer:
1/4 · x⁴
Step-by-step explanation:
13,180,000 in expanded form is:
13,000,000 + 100,000 + 80,000
