Question

*If x = -2 then find the value of polynomial 4x + 5x² - 6.*

1️⃣ -6
2️⃣ 6
3️⃣ 8
4️⃣ 18​

Answer 1

Answer:

6

Step-by-step explanation:

4(-2) + 5(4) -6

-8 + 20 -6

6

Answer 2

Answer:

6

Step-by-step explanation:

4x + 5x² - 6.

On putting x = -2 ,

4×(-2) + 5×(-2)² - 6

= -8 + 5×4 - 6

= -8 + 20 - 6

= 20 - 14

= 6