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Q: How do you solve 5x2 plus 15x equals 0?

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5x(x+3)

10

X= (3/5 , -2)

Assuming that the 2 in "5x2" is a power (5x2), then no, this is not a linear equation. It is a parabolic equation.

(5x - 1)(x + 3)5x2 + 14x - 3= 5x2 + 15x - x - 3= 5x(x + 3) - 1(x + 3)= (5x - 1)(x + 3)

6 + 10 = 16

5x2 = 3 then x2 = 3/5 so that x = sqrt(3/5) = Â± 0.7746

5(x2 - 3x - 6)

1) 5x2-55=90 +55 +55 2) 10x=145 /10 /10 x=14.5

The GCF is 5x2

The discriminant is 385.

Yes

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