Question

If x=5 find the value of
2x³- 4x²- 6x + 25​

Answer 1

Answer:

255

Step-by-step explanation:

2x125 - 4x25 - 6x - 5 + 25

250 - 50 + 30 +25

255

Answer 2

Answer:

$if \: x = 5 \\ \implies 2 {(5)}^{3} - {4(5)}^{2} - 6(5) + 25 \\ \implies 2(125) - 4(25) - 30 + 25 \\ \implies 250 - 100 - 5 \\ \implies 250 - 105 \\ \implies \orange\bigstar\blue{\boxed{145}}$