Find (x - 1)(x2 + 5x – 3). Write your answer in standard form.
The product is
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Find the lengths of the diagonals of this trapezoid.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap