3 years ago

Simplify the polynomial by using foil or box method (2y-1)(y+4)

Mathematics

1 answer:

Sav [38]3 years ago

3 0

So foil
2y² +8y -y-4 = 2y²+7y-4

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Y=4x+8x, Solve for x.<br><br> It's x=y/12, I just need to know how to work it out.

Scrat [10]

Step-by-step explanation:

<h2>Answer:-</h2>

$\tt{y = 4x+8x}$

First, we need to add up the x.

We know that 4+8 = 12, so

$\tt{4x+8x=12x}$

Now, equating it to y,

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Now, if I multiply $\tt{\dfrac{1}{12}}$ on both sides,

I get,

$\tt{\dfrac{y}{12}= \dfrac{\cancel{12}x}{\cancel{12}}}$

Now, as 12 got cancelled , I got the final answer as

$\boxed{\tt{x =\dfrac{y}{12}}}$

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Step-by-step explanation:

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Step-by-step explanation:

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