The answer is: (z - 6)(z + 15)
z² + 9z - 90 = z*z + 15z - 6z - 6*15 =
= (z*z + 15z) - (6z + 6*15) =
= z(z + 15) - 6(z + 15) =
= (z - 6)(z + 15)
Answer:
1/5
Step-by-step explanation:
2/10=1/5
Just divide 3.5 with 100 so it would be 0.035
Answer:
5
Step-by-step explanation:
0.5x=6-3.5
0.5x=2.5
x=2.5÷0.5
x=5
Answer:
75 / 5 = 15 feet per second
Step-by-step explanation:
