2x^3(x+1)-x(x+1)
(2x^3-x)(x+1)
x(2x^2-1)(x+1)
Answer:
b) 3w² = 243
Step-by-step explanation:
area = L x w
L = 3w
substitute for L:
243 = 3w x w = 3w²
3w² = 243
Answer:
a = 6, b = 3
Step-by-step explanation:
5a - 4 = 2a + 14
3a = 18
a = 6
6 = 2b
b = 3