x² + 10x = 26
x² + 10x + 25 = 26 + 25
x² + 5x + 5x + 25 = 51
x(x) + x(5) + 5(x) + 5(5) = 51
x(x + 5) + 5(x + 5) = 51
(x + 5)(x + 5) = 51
(x + 5)² = 51
x + 5 = ±√(51)
- 5 - 5
x = -5 ± √(51)
x = -5 + √(51) or x = -5 - √(51)
16*8=128
12*12=144
128
+ 144
$272
Lee sold 16 hats
Answer:
28
Step-by-step explanation:
16 Ada to eves house
12 Eva to pool
28
11 cubic feet is the answer
2x+15x you can just switch the two.
