An expression is shown below. Which expression is equivalent to the expression shown? - 2x(x + y - 3) + 3(-x + 4y) + y(3x + 5y - 3)
- 2x2(5y2 + xy + 3x + 9y
- 2x2 + 5y2 + xy - 6x +9y
- 5x2 + 5y2 + xy + 3x + 9y
- 5x2 + 5y2 + xy - 6x + 9y

Note: In option A, it should be "+" instead of "(".

Given:

The expression is

To find:

The equivalent expression.

Solution:

We have,

Using distributive property, we get

On combining like terms, we get

The expression is equivalent to the given expression.

Therefore, the correct option is A.

false

step-by-step explanation:

4y - 6 + 4y^2 - 9

before simplifying this contains 4 terms

after simplifying

4y -15 + 4y^2

it contains 3 terms

4th option is correct xy=-10

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