mariana4444
contestada

Can someone help me out with these math questions?
You can pick one to answer or chose to answer both!
I’d appreciate the help thank you!

Can someone help me out with these math questions You can pick one to answer or chose to answer both Id appreciate the help thank you class=

Respuesta :

For both questions I used F.O.I.L. to expand from factored form. Hope this helps!
LazyBun
Answer: 1. -12x^2 + 48x - 48
2. -20x + 50

Explanation:
1.
-3(2x-4)^2
= -3(4x^2 - 2(2)(4) + 16)
= -3(4x^2 -16 + 16)
= -12x^2 + 48x - 48

2.
(2x-5)^2 - (2x-5)(2x+5)
= 4x^2 - 2(2)(5)x + 25 - (4x^2 - 25)
= 4x^2 - 20x + 25 - 4x^2 + 25
= -20x + 50

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