Answer:
-17x² + 10x - 7
General Formulas and Concepts:
<u>Algebra I</u>
Terms/Coefficients
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify.</em>
-8x² + 3 - 9x² + 10x - 10
<u>Step 2: Simplify</u>
FRIEND?
x = -12
she uses 72 gallons
just do 144/2 and the answer is 72
if you wanna check your answer just do 72x2 and it equals 144