solve the following question
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Answered by
0
Answer:
{0, 4}
Step-by-step explanation:
(x² - 5x + 12)(x + 4) = (x² - x - 4)(5x - 12)
x³ - 5x² + 12x + 4x² - 20x + 48 = 5x³ - 5x² - 20x - 12x² + 12x + 48
x³ - x² = 5x³ - 17x²
4x³ - 16x² = 0
4x²(x - 4) = 0
= 0
= 4
Answered by
0
Answer:
(0,4)
Step-by-step explanation:
(x+4)(x²-5x+12)=(5x-12)(x²-x-4)
x(x²-5x+12)+4(x²-5x+12)=5x(x²-x-4)-12(x²-x-4)
x³ - 5x² + 12x + 4x² - 20x + 48 = 5x³ - 5x² - 20x - 12x² + 12x + 48
x³ - x² = 5x³ - 17x²
4x³ - 16x² = 0
4x²(x - 4) = 0
x₁ = 0
x₂ = 4
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