PLEASEE helpp! And explain step by step!! It would help me alot ! Will mark as Brainliest!

3x + 4y = 5 x- 3y = -7 solve by substitution

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}

Write as a product: ac^2–ad+c^3–cd–bc^2+bd