BRO SOMEBODY HELPPPP ESPECIALLY #1 ILL MARK BRAINLIESTTTT

Answer:
A1) Use the quadratic formula, Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.
So here’s an image of how 2 do it.
A2) You would add 25 to both the sides (picture is given)
A3) Is very similar to question 2, again I added an image please view that
Step-by-step explanation:
Try and do the rest