Write the conjugates of them then FOIL both the top and bottom, then factor
Answer:
Not equal.
Step-by-step explanation:
6.003 is smaller than 6.03
Answer:
x₁ = - 4 + √31
x₂ = - 4 - √31
Step-by-step explanation:
x² + 8x = 15
x² + 8x - 15 = 0
x = [- 8 ± √8² - 4×1×(-15)]/(2×1)
x = (-8 ± 2√31)/2
x₁ = (-8 ± 2√31)/2
x₁ = - 4 + √31
x₂ = - 4 - √31
Answer:
42 in
Step-by-step explanation:
108 in = 2l + 2w
l = 12 in
108 = 24 + 2w
84 = 2w
w = 42