SusanIsMe6988 SusanIsMe6988

26-08-2020
Mathematics

contestada

X=−4a 2 +3ab+12b 2 Y=9a 2 +ab−7b 2 Y+X=Y+X=Y, plus, X, equals

Respuesta :

deonnasowell23 deonnasowell23

26-08-2020

Answer:

5a

2

+4ab+5b

2

Step-by-step explanation:

step 1. (((0-(4•(a2)))+3ab)+(12•(b2)))+(((9•(a2))+ab)-7b2)

step 2. (((0-(4•(a2)))+3ab)+(12•(b2)))+((32a2+ab)-7b2)

step 3.(((0-(4•(a2)))+3ab)+(22•3b2))+(9a2+ab-7b2)

step 4. (((0-(4•(a2)))+3ab)+(22•3b2))+(9a2+ab-7b2)

step 5. 5.1 Factoring 5a2 + 4ab + 5b2

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