Simplify each of the following (5x+4y)(5x-4y) solve

Simplified :(5x+4y)(5x−4y)

=(5x+4y)(5x+−4y)

=(5x)(5x)+(5x)(−4y)+(4y)(5x)+(4y)(−4y)

=25x2−20xy+20xy−16y2

=25x2−16y2

hope this helps!

25x^2-16y^2

Combine the opposite terms in  5x(5x)+5x(4y)-4y(4y)

                                                            5x(5x)-4y(4y)

                                                             25x^2-16y^2

it happens during combustion and impacts the environment because the plants and trees take in that and it can cause them to die.

i found two solutions,   n = 2 • ± √3 = ± 3.4641

step-by-step explanation: