Question

12. 1 - 2ab - (a? +b) = ?
(a) (1 + a - b)(1 + a + b)
(c) (1 + a + b)(1 - a - b)
13. x² +6x+8 = ?
(a) (x +3)(x + 5)
(c) (x + 2)(x + 4)
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Answer 1

Answer:

13 ka b option

Step-by-step explanation:

X square + 2x + 4x + 8

X(x+2) + 4(x+2)

(X+2) (x+4)