# PRACTICE QUESTIONS FOR X PLUS a TIMES X PLUS b

Problem 1 :

Expand (x+3) (x+2)

(A) x²+5x+6

(B) x²-5x+6

(C) x²+5x-6

Problem 2 :

Expand (x+3) (x-2)

(A) x²+x+6

(B) x²-x-6

(C) x²+x-6

Problem 3 :

Expand (x+6) (x-1)

(A) x²+5x-6

(B) x²-5x-6

(C) x²+5x+6

Problem 4 :

Expand (2a+3) (2a-8)

(A) 4a²+10a+24

(B) 4a²+10a-24

(C) 4a²-10a-24

Problem 5 :

Expand (x+8)(x-5)

(A) x²-3x-40

(B) x²+3x-40

(C) x²+3x+40

Problem 6 :

Expand  (a-11) (a-13)

(A) a²+24a-143

(B) a²-24a-143

(C) a²-24a+143

## Solutions for Practice Questions

Problem 1 :

Expand (x+3) (x+2)

Solution :

=  x2+2x+3x+6

=  x2+5x+6

Problem 2 :

Expand (x+3) (x-2)

Solution :

=  x2+2x+3x+6

=  x2+5x+6

Problem 3 :

Expand (x+6) (x-1)

Solution :

=  x2+6x-x-6

=  x2+5x-6

Problem 4 :

Expand (2a+3) (2a-8)

Solution :

=  (2a)2 -16a+6a-24

=  4a2-10a-24

Problem 5 :

Expand (x+8)(x-5)

Solution :

=  x2-5x+8x-40

=  x2+3x-40

Problem 6 :

Expand  (a-11) (a-13)

Solution :

=  x2-5x+8x-40

=  x2+3x-40

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