2 5x 7 10 July 8, 2019 16 32 64 128 2 5x 7 )= 10x 12 2 (- 5x 7 ) 10 2x 5x 2 10x 7 5x 2 10x 7 0 X 2 5x 7 10 Y 5x 2 10x 7 5x 2 7 5x )=- 4x 10 4 5x 7 )= 10x 2 F x )=- 5x 2 10x 7 7 5x 2 )- 29x 10 7 5x 2 5x 7x 10 2 5x 7 5 10 5x 2 10x 7 0 complete the square 2 5x 9 7 10x 21 9 5x 2 7 10