itsasherr itsasherr

25-07-2022
Mathematics

contestada

Which of the following is a perfect square trinomial?
a. x^2+10x+25
b. x^2+6x+13
c. x^2+100
d. x^2+3x+9

Which of the following is a perfect square trinomial a x210x25 b x26x13 c x2100 d x23x9 class=

Respuesta :

reinhard10158 reinhard10158

25-07-2022

Answer:

a. x² + 10x + 25

Step-by-step explanation:

because

(x + 5)² = (x + 5)(x + 5) = x² + 5x + 5x + 25 = x² + 10x + 25

so, it is a perfect square of (x + 5).

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