Answer:
8
Step-by-step explanation:
6*(n + 15) = -42
Divide both sides by 6
6*(n - 15)/6 = -42/6
n - 15 = -7
n = -7 + 15
n = 8
It would take 21gal to cover 7 flowerbeds. Hope this helps! :D
Answer:
a² + 5a + 6
Step-by-step explanation:
(a + 2)(a + 3) = ?
We can use the FOIL method of multiplying two binomials
First terms: a × a = a²
Outer terms: 2 × 3 = 6
Inner terms: 2 × a = 2a
Last terms: a × 3 = <u> 3a </u>
Sum = a² + 5a + 6