Question

(5x-10)*(0,3x+0,9)=0

Answer 1

1,5x квадрат + 4,5x - 3x - 11,7=0

Answer 2

(5x-10)*(0,3x+0,9)=0
1,5  x^{2} +4,5x-3x-9=0
1,5 x^{2} +1,5x-9=0
 x^{2} +x-6=0
x=-3
x=2

Answer 3

To solve the equation (5x - 10) * (0.3x + 0.9) = 0, we can apply the zero-product property, which states that if a product of factors is equal to zero, then at least one of the factors must be zero.

So we set each factor equal to zero and solve for x:

Setting 5x - 10 = 0: 5x = 10 x = 10/5 x = 2

Setting 0.3x + 0.9 = 0: 0.3x = -0.9 x = -0.9/0.3 x = -3

Therefore, the solutions to the equation are x = 2 and x = -3.