Sreeragdeepakgo Sreeragdeepakgo

Mathematics

Answered

b) Evaluate the algebraic expression 2x2 + 5x +6 if x is equal to (-1).

Answer :

Krystal3375go Krystal3375go

Step-by-step explanation:

if x is equal to - 1

Then

2x² + 5x + 6

= 2* ( -1)² + 5 * (- 1) + 6

= 2 - 5 + 6

= 8 - 5

= 3

Hope it will help :)❤

Answer Link

Rekaaukago Rekaaukago

Answer:

if x=-1

then

2(-1)2+5(-1)+6

2(1)+5(-1)+6

2-5+6

X=+3

Answer Link

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