3 years ago

Q.1 Please Help!!! I will give Brainliest!!!!!

1 answer:

4 0

Umm all you would have to do is cross multiply.
4x/5 would be multiplied by 5/4 and you would get you x freed.
Hope that helped!
:)

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d1i1m1o1n [39]

Step-by-step explanation:

$x^{2} - 4x - 7 = 0$

First, let's move the $7$ to the right-hand side so we can determine what constant we'll need on the left-hand side to complete the square:

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From here, since the coefficient of the $x$ term is $-4$ , we know the square will be $(x - 2)$ (since $-2$ it's half of $-4$ ).

To complete this square, we will need to add $(-2)^{2}$ to both sides of the equation:

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If what ? What is the If part, so I can help answer your question.

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