Question

A[5X²=0 B[9X²=0 C[-X²=0 D[5X²-3X=0 E[-2X²+10X=0 aJUDEM?

Answer 1

A)
5x² = 0
x² = 0/5
x² = 0
x = √0
x = 0

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B)
9x² =0
x² = 0/9
x² = 0
x = √0
x = 0

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C)
-x² = 0
x² = 0
x = √0
x = 0

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D)
5x² - 3x = 0
x.(5x - 3) = 0
x = 0
5x - 3 = 0
5x = 3
x = 3/5

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E)
- 2x² +10x = 0 
x.(- 2x + 10) = 0
x = 0

- 2x + 10 = 0
10 = 2x
2x = 10
x = 10/2
x = 5

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