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
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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