Verify the Equality: (2x-3)(-4+y) = -8x+2xy-3y+12

Is equality correct?

(2x3)(4+y)=8x+2xy3y+12 (2x-3)(-4+y)=-8x+2xy-3y+12

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Are the expressions equal?
00:04 Let's properly open parentheses, multiply each factor by each factor
00:25 Let's calculate the products
00:40 Let's compare the terms of the expressions, we'll see they're equal
00:47 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Is equality correct?

(2x3)(4+y)=8x+2xy3y+12 (2x-3)(-4+y)=-8x+2xy-3y+12

2

Step-by-step solution

To solve this problem, we'll perform the distribution as follows:

  • Distribute the term (2x3)(2x-3) across (4+y)(-4+y).

  • Calculate (2x)×(4)(2x) \times (-4) and (2x)×y(2x) \times y.

  • Calculate (3)×(4)(-3) \times (-4) and (3)×y(-3) \times y.

Let's compute these multiplications:

Let us expand the left side using distribution:
(2x3)(4+y)(2x - 3)(-4 + y)
= (2x)(4)+(2x)(y)+(3)(4)+(3)(y)(2x)(-4) + (2x)(y) + (-3)(-4) + (-3)(y)
= 8x+2xy+123y-8x + 2xy + 12 - 3y.

After simplification, the expression becomes:

8x+2xy3y+12-8x + 2xy - 3y + 12.

Comparing this with the right-hand side of the original equation 8x+2xy3y+12-8x + 2xy - 3y + 12, we observe that both sides are equal.

Therefore, the two sides of the equation are equal, confirming that the given equality is correct.

The final solution is Yes.

3

Final Answer

Yes

Practice Quiz

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It is possible to use the distributive property to simplify the expression below?

What is its simplified form?

\( (ab)(c d) \)

\( \)

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