Question

(3x+5)*(4x-3)=(6x-3)*(2x+7)

Answer 1

Ответ:

решение смотри на фотографии

Answer 2

Ответ:

0,24

Объяснение:

перемножаем скобки:

$12x^{2} -9x+20x-15=12x^{2}+42x-6x-21$

$12x^{2} +11x-15=12x^{2}+36x-21$

$11x-36x=15-21$

$-25x=-6$

$x=6/25=0.24$

Answer 3

To solve the equation (3x+5)(4x-3) = (6x-3)(2x+7), we can expand both sides and simplify the expression.

Expanding the left side: (3x+5)*(4x-3) = 12x^2 - 9x + 20x - 15 = 12x^2 + 11x - 15

Expanding the right side: (6x-3)*(2x+7) = 12x^2 + 42x - 6x - 21 = 12x^2 + 36x - 21

Now we have the equation: 12x^2 + 11x - 15 = 12x^2 + 36x - 21

By subtracting the common terms from both sides, we can simplify the equation: 11x - 15 = 36x - 21

Next, we can isolate the variable x on one side of the equation. Let's subtract 11x from both sides: -15 = 36x - 11x - 21

Simplifying further: -15 = 25x - 21

Now, let's add 21 to both sides: 6 = 25x - 15

Finally, add 15 to both sides: 21 = 25x

Dividing both sides by 25, we find: x = 21/25

Therefore, the solution to the equation (3x+5)(4x-3) = (6x-3)(2x+7) is x = 21/25.