Question: optin- 8. Given: Q(x) = (x - 7)- (x+6)+ 2x(x -1) ewrite Q (x) in standard form. Q(Ox ): ( x-7 ) ( x- 7

optin- 8. Given: Q(x) = (x - 7)"- (x+6)+ 2x(x -1) ewrite Q (x) in standard form. Q(Ox ): ( x-7 ) ( x- 7 ) - ( x + 6 ) + 2 x ( x - 1 ) Q ( X ) = X - 14 x +49 - * + 6 + 2x 2 - 1 Q ( x ) = 3X2 - 15x+ 54 Find Q (- 6). Find all x such that Q (x) = 4x + 13. Q (-6) -(- 6-7)- (-6+6)+2(-6 ) (-6-1) (x-7)2- (x +6)+ 2x ( x-1)/ Q ( : 6 ) = ( - 13 ) 2 - 12 ( - 7) ( x- 7 ) ( x - 7 ) - (xto) 2 x 2 2x = 4x+ 13 Q (- 6)= - 169+84 X 2- 14x+49 - x- 6+ 2x 3-2x: ux+13 Q ( - 6 ) = - 85 3x - 17 x + 43 = 4x+ 13 4x - 13 - 4x - 13 3 x 2 - 21 + 30 = 0 3 ( x 2 - 7 + 10 ) = 0 3 ( x - 5) ( x - 7) = 0 9. Use the distributive property to express each product in standard form, = SVX= Z a) (3x + 7) (x + 9 ) b) (2x + 1)(6x - 11) 3 x r 2 7 X + 7x+ 63 17 *7- 22x7 6X - 11 3 x 2 + 34, X 163 12x - 16x- 11 c) (x - 4) (2x - x+5) 2x' - x45 x - 8x" - 4x - 20 2x - 9x 2 + x - 20

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