Question

Evalulate (x+1) (x+4) for x=1


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Answer 1

Answer:

(x+1)(x+4)

substitute x=1:

(1+1)(1+2)

=(2)×(5)

=10

Step-by-step explanation:

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Answer 2

Answer:

(1+1) (1+4) =10

Step-by-step explanation:

(X+a) (x+b) =x^2+(a+b)x+ab (where a=1,b=5)

=1^2+(1+4)1+1(4)

=1+5+4

10