Answer:
2) -81t² +16
Step-by-step explanation:
(9t -4)(-9t -4) = (9t x -9t) + (9t x -4) + (-4 x -9t) + (-4 x -4)
= -81t² - 36t + 36t + 16
= -81t² + 16
Answer:
me cuz its a solid brain workout
Step-by-step explanation:
Answer:
Just tried this on a calculator
)) i think its 7/2!
Step-by-step explanation: