Question

Evaluate the expression below when x = -4.


4x2 - 2x × 15

Answer 1

\[4(-4)^2-2(-4) \times 15\]=\[64+8 \times 15\]=

Answer 2

Plug in x = -4
4x^2 -2x X 15
4(-4)^2 -2(4) X 15
4*16 - 8X15
64 - 120
-56

Answer 3

4(-4)^2-2(-4)*15
4(16)-2(-4)(15)
4(16)+2(4)(15)
4(16)+8(15)
64+120
184

Answer 4

lols i forgot the 184