Just a little confused , please help me :)

a) (x + 8) (x + 2)

b) (x + 4) (x + 3)

c) (x + 12) (x + 1)

Step-by-step explanation:

First find the multiples of coefficients of a and c (ax² + bx + c)

Then rearrange it to make it add/subtract to make the number in the middle (b in bx).

a). Look at the multiples of 16.

4 x 4 4 + 4 ≠ 10

8 x 2 8 + 2 = 10

1 x 16 1 + 16 ≠ 10

The factors of 16 that add up to 10 are 8 and 2.

Hence we write it like (x + 8) (x + 2), and to check this you can expand it.

Same goes for b and c

b). Multiples of 12 that add up to 7 are 3 x 4 ===> (x + 3) (x + 4)

c). Multiples of 12 that add up to 13 are 1 x 12 ===> (x + 12) (x + 1)

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step-by-step explanation: