Answered

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pls tell me which one is the correct one

Pls Tell Me Which One Is The Correct One class=

Sagot :

Answer:

Option B

Step-by-step explanation:

Given expression is,

(x² - 18x + 180)

Which is in the form of (ax² + bx + c)

To factorize the given expression, we will split b in two parts [tex]b_1[/tex] and [tex]b_2[/tex] so that,

[tex]b=b_1+b_2[/tex]

And [tex]c=b_1\times b_2[/tex]

If b = 18,

[tex]b_1=10[/tex] and [tex]b_2=8[/tex]

c = 10 × 8 = 80

Therefore, (x² - 18x + 180) = x² - 10x - 8x + 80

                                           = x(x - 10) - 8(x - 10)

                                           = (x - 8)(x - 10)

Option B is the correct option.

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