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Fill in the blank with a number to make the expression a perfect square

2
x^ -10x+ what? ​

Fill In The Blank With A Number To Make The Expression A Perfect Square 2x 10x What class=

Sagot :

Rorycampbell0721idn

Answer:

25

Step-by-step explanation:

So basically remember that:

[tex](a+b)^2=a^2+2ab+b^2[/tex]

so far you have that

[tex]a^2 = x^2\\2ab = -10x[/tex]

So if 2ab = -10x and a = x, that means 2xb = -10x so b = -5.

It's kind of confusing to think of it like that, but all that means is that the equation is:

[tex](x - 5)^2[/tex]

which would simplify to

[tex]x^2 - 10x + 25[/tex]

so the blank is 25

Answer:

your answer will be 25

Step-by-step explanation:

hope it helps

have a nice  day

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