AmazingJay
AmazingJay AmazingJay
  • 25-08-2020
  • Mathematics
contestada

help me please
solve: -11x^2-44=0

Respuesta :

anas46
anas46 anas46
  • 25-08-2020

Answer:

1.1      Factoring:  x2-44  

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check : 44 is not a square !!

Step-by-step explanation:

Answer Link

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