Question

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Answer 1

Step-by-step explanation:

8. (x+a)(x+b)

x(x+b)+a(x+b)

x²+xb+ax+ab. Ans.

a. It is already in simplified form, so the answer is same which is x²-a²

b. It is already in simplified form, so the answer is same which is ax²+bx²

c. x²+(a+b)x+ab

x²+ax+bx+ab {after opening the bracket}. Ans.

d. x²-ax-bx+ab

x²-ax-bx+ab {after opening the bracket}. Ans.

Answer 2

Answer:

c) option

Step-by-step explanation:

(x + a)(x + b)

= x(x + b) + a(x + b)

= x^2 + xb + xa + ab

= x^2 + (a + b)x + ab

hope it helps, mark as brainliest!!!