Question

a(a²+a+1)+5. put the value= -1 ​

Answer 1

Step-by-step explanation:

a(a²+a+1)+5

put=-1

-1(-1²+(-1)+1)+5

-1(1)+5

-1+5

4 ans.

Answer 2

Step-by-step explanation:

ANSWER:-

Concept:-

• We simply need to place -1 in place of a.

• Some identities may or may not be used.

$a( {a}^{2} + a + 1) + 5$

$-1( {-1}^{2} -1 + 1) + 5$

$-1(1 ) + 5$

$-1 + 5$

$5-1$

$=4$

is the answer.

Main Thing Used:'

• The concept of BODMAS. This tells that the things Inside brackets should be simplified first.

• Then, division, followed by multiplication and addition and Subtraction.