(4x2 – 4x – 7)(x + 3)
(4x2 – 4x – 7)(x) + (4x2 – 4x – 7)(3)
4x2(x) – 4x(x) – 7(x) + 4x2(3) – 4x(3) – 7(3)
4x3 – 4x2 – 7x + 12x2 – 12x – 21
4x3 – 4x2 + 12x2 – 7x – 12x – 21
4x3 + 8x2 – 19x – 21
P = 6 + 8 + 8 + 12 = 34
answer
34 cm
The answer to this question is A
If two segments are congruent, then they have the same length.
Answer: c=16/3 or c= 5 1/3 (mixed fraction)
(cross multiplication)
or