Question

simplify:a(a²+a+1)+5(a-2)-2(a+5)and evaluate it for a=0

Answer 1

a3+a2+a +5a-10-2a-10
a3+a2 +4a-20

Answer 2

Hi ,

a( a² + a + 1 )+ 5 ( a - 2 ) - 2 ( a + 5 )

= a³ + a² + a + 5a - 10 - 2a - 10

= a³ + a² + 4a -20

If a = 0,

Value of the expression = -20

I hope this helps you.

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