Question

If 5a + 3 = 13, then the value of 2a³- 2a² + 4a - 1
​

Answer 1

Step-by-step explanation:

given 5a +3= 13

5a= 13-3

5a=10

a= 2.....(eq 1)

2a cube -2 a ^+4a-1

2(2)3-2(2)^+4(2)-1

16-8+8-1

= 15