emilybb195
emilybb195 emilybb195
  • 14-01-2017
  • Mathematics
contestada

Please Answer ! The following polynomial can be factored using the techniques of this lesson
x² - 18
A.True
B.False

Respuesta :

santos30
santos30 santos30
  • 14-01-2017
my guess is that its false
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 14-01-2017
if it was difference of 2 perfect squaes, then the answer is false, but we can actually force it
remember
a²-b²=(a-b)(a+b)
convert
18=(3√2)^2
x²-(3√2)^2=(x-3√2)(x+3√2)

answer is true (but teacher might say false because you might not have learned how to force it like that yet)
Answer Link

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