The first step would be to isolate a variable (solve for a variable)....so u will have something to sub into the other equation
I dunno I rlly don't know like seriously I'm in 7th
Answer:
-5 and -5.
Step-by-step explanation:
Two negative numbers multiply to make a positive and add to make a negative.
Answer:
(5x +4y)^2
Step-by-step explanation:
The first and last terms are both perfect squares, and the middle term is twice the product of their roots. That means the trinomial is the perfect square trinomial ...
25x^2 +40xy +16y^2 = (5x +4y)^2
_____
It matches the pattern ...
a^2 +2ab +b^2 = (a +b)^2