Question

Срочно пж Спростити:a) -2,5a*3b;6) -3x +4y-3x-10y; в) -2(3x-1)+8(1-2x)​

Answer 1

Ответ:

мир твоему дому брат

Пошаговое объяснение:

а) -2,5a*3b = -7,5ab

6) -3x +4y -3x -10y = -6x -6y

в) -2(3x-1) + 8(1-2x) = -6x + 2 + 8 -16x = -22x - 6

Answer 2

a) -2.5a * 3b

To simplify the expression, you can distribute the -2.5 to both terms:

-2.5 * 3b = -7.5b

Therefore, the simplified expression is -7.5ab.

b) -3x + 4y - 3x - 10y

Combine like terms by adding or subtracting coefficients:

-3x - 3x + 4y - 10y = -6x - 6y

Therefore, the simplified expression is -6x - 6y.

c) -2(3x - 1) + 8(1 - 2x)

Apply the distributive property to both sets of parentheses:

-2 * 3x + (-2) * (-1) + 8 * 1 + 8 * (-2x)

Simplify each term:

-6x + 2 + 8 - 16x

Combine like terms:

-6x - 16x + 2 + 8 = -22x + 10

Therefore, the simplified expression is -22x + 10.