7x+3+5x²
ax²+bx+c
5x²+7x+3
Hoped this helped!
Answer: You would need 5 men to paint a room in 3 hours
YWW :)
<h3>
Answer:</h3>
, or 
<h3>
Explanation:</h3>
Use the Keep Change Flip method. Change the sign to multiplication and flip the second fraction. 
Multiply the numerators and the denominators separatley. 
This cannot be simplified further, but it can be converted to a mixed number (as opposed to an improper fraction). 
Step-by-step explanation:
# Area of painting = 20 × 16
# Area of combination = 25 × 20
.°. Area of frame = Area of combination - Area of painting
= (25×20)-(20×16)
=20 (25-16)
=20 × 9

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I suppose you want to solve the following equation for b:

First of all, you need to divide both sides by 9:

Then, subtract 2 from both sides:
