If x+y+4=0, Then find the value of x³+ y³+12xy+64. Please give me correct answer, then I will definitely mark him/ her as a brainlist.
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Answer:
x³ + y³ + 12xy - 64
x³ + y³ - 4³ + 3(4xy) (64 = 4³)
(x + y - 4)(x² + y² + 4² - xy - 4y - 4x)
x + y = + 4
( 4 + 4) * (x² + y² + 4² - xy - 4y - 4x)
0 * (x² + y² + 4² - xy - 4y - 4x)
= 0
Step-by-step explanation:
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