Question

please find this expression when n=-2 5n²+5n -2​

Answer 1

Given

• n = -2

To find

• 5n² + 5n - 2

Solution

• 5(-2)² + 5(-2) - 2
• 5(-4) + (-10) - 2
• -20 - 10 - 2
• -32

∴ -32 is the value of the expression 5n² + 5n - 2 where n is -2