Question

If anyone is good at algebra please help lol

Answer 1

h(3x)=18x^2-12x-7

Step-by-step explanation:

`h(x)=2x^2-4x-7\\h(3x) = ?\\\\h(3x) = 2(3x)^2 -4(3x)-7\\\\h(3x)=2\left(3x\right)^2-4*\:3x-7\\\\h(3x)=3^2*\:2x^2-4*\:3x-7\\\\h(3x)=3^2*\:2x^2-12x-7\\\\h(3x)=18x^2-12x-7`

Answer 2

Answer: 6x^2 - 12x - 21

Step-by-step explanation:

h(x) = 2x^2 - 4x - 7
h(3x) = 3(2x^2 - 4x - 7)
h(3x) = 6x^2 - 12x - 21