Answer:
<em>7x² - 2x + 4 </em>
Step-by-step explanation:
(5x² + 2x + 11) - (7 + 4x - 2x²) = 5x² + 2x + 11 - 7 - 4x + 2x² =
(5x² + 2x²) + (2x - 4x) + (11 - 7) = <em>7x² - 2x + 4</em>
I still need that 10 points tho
Answer:
5( 4w -3)
Step-by-step explanation:
just pulled out a 5
Translating this word problem into symbolic statements: L = 5W, P=2W+2L= 96 cm
Then 96 cm = 2W + 2(5W) = 12W. Solving for W, W = 96 cm / 12 = 8 cm
Width = 8 cm
Length = 5(8 cm) = 40 cm
Area = L * W = (40 cm)(8 cm) = 320 cm^2
Answer:
x = 20
Step-by-step explanation:
15/9 = x/12
180 = 9x
x = 20
