Question

2 √27-4 √45+ √75 пж пж пж пж срочно

Answer 1

Відповідь:

198

Пояснення:

Answer 2

To simplify the expression 2√27 - 4√45 + √75, let's break down the square roots of the numbers:

√27 = √(9 * 3) = √9 * √3 = 3√3 √45 = √(9 * 5) = √9 * √5 = 3√5 √75 = √(25 * 3) = √25 * √3 = 5√3

Now, substitute these values back into the expression:

2√27 - 4√45 + √75 = 2(3√3) - 4(3√5) + 5√3 = 6√3 - 12√5 + 5√3

To combine like terms, add or subtract the coefficients of the square roots:

= (6√3 + 5√3) - 12√5 = 11√3 - 12√5

So, the simplified form of the expression 2√27 - 4√45 + √75 is 11√3 - 12√5.