Answer:
Option 1: -10d⁴ + 17d²s - 6s²
General Formulas and Concepts:
<u>Algebra I</u>
- Terms/Coefficients
- Expand by FOIL
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
(-2d² + s)(5d² - 6s)
<u>Step 2: Expand</u>
- FOIL: -10d⁴ + 12d²s + 5d²s - 6s²
- Combine like terms: -10d⁴ + 17d²s - 6s²
Answer:
912.
Step-by-step explanation:
Use the pythagorean theorem: a^2 + b^2 = c^2
24^2 + 7^2 = x^2
576 + 49 = x^2
x^2 = 625
√x^2 = √625
x = 25
2(1/2 1 x 4) = 4
2 x 1 = 2
8 x 4 = 32
32 + 4 + 2 = 38units^2