Answer:
Step-by-step explanation:
You can use the foil technique (first outer inner last)
(3x - 1)(-x + 4) = (3x · (-x)) + (3x · 4) + ((-1) · (-x)) + ((-1) · 4)
=
=
Please solve thank you
1 answer:
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Answer:
answer is 107 degrees
Step-by-step explanation:
Given is a picture of triangle with vertices D, E and F
Given that exterior angle of F = 135 degrees
Hence interior angle of F =
Angle D = 28 degrees
Hence angle E =
Hence answer is 107 degrees