Need help ASAP I’m on an exam there is a timer Thankss + BRAINLIST only for correct answer
(question in the picture )

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Which of the following parabolas opens up?

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project