3 years ago

If a² + a + 1=0, find the value of 1 - a -a².

Mathematics

1 answer:

IRINA_888 [86]3 years ago

7 0

Answer:

Step-by-step explanation:

Given: a² +a +1= 0

Bringing a terms to the right-hand side:

1= -a² -a

-a² -a= 1

-a -a²= 1

1 -a -a²

= (-a -a²) +1

= 1 +1

= 2

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3 years ago

If a² + a + 1=0, find the value of 1 - a -a².​

If a² + a + 1=0, find the value of 1 - a -a².