Factor completely 4x^2-32

4(x+4)(x-4)
4(x+4)(x-8)
4(x^2-8)
Prime

4(x²-8) is correct

Step-by-step explanation:

If you solve this you get 4x²-32

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3