Question

If x = 5, find the value of :
(ii) 5 + 4x - x2​

Answer 1

Answer:

0 or 15

Step-by-step explanation:

5+4(5)-(5)^2 if x2=x^2

5+20-25

25-25

=0

or

5+4(5)-5(2) if x2

5+20-10

15

Answer 2

Answer:

5+4x - x2

5+ 4(5) - (5)2

5+ (4×5)-(5×2)

5+20-10

5+10

15

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