1) 100x^2-16=0

2) x^2-16x+63=0

3) 3x^2+13x-10=0

4) 2x^2-3x=0

5) x^2-2x-35=0

Question

Алгебра

Фива

12 мая, 14:52

1) 100x^2-16=0

2) x^2-16x+63=0

3) 3x^2+13x-10=0

4) 2x^2-3x=0

5) x^2-2x-35=0

+5

Ответы (1)

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Луиза · Answer 1

100x²=16

x²=0.16

x = ±0.4

2) D = 256-252 = 4

x1 = (16+2) / 2 = 9

x2 = (16-2) / 2 = 7

3) D = 169 + 120 = 7²

x1 = 13-7 / 2 = 6/2=3

x2 = 13+7/2 = 10

4) x (2x-3) = 0

x=0 или x = 15

1) 100x^2-16=02) x^2-16x+63=03) 3x^2+13x-10=04) 2x^2-3x=05) x^2-2x-35=0

1) 100x^2-16=0

2) x^2-16x+63=0

3) 3x^2+13x-10=0

4) 2x^2-3x=0

5) x^2-2x-35=0