2010008805 Level: ASimplify: −ab(a+b)−a[3b2−a(2a+5b)−b(3b−4a)]a(2a2−b2)a(2a2−7b2)a(2a2+8ab−7b2)a(2a2+8ab−b2)
2010008806 Level: ASimplify: a2(3a−b)−[b2(a+3b)−b(3b2+ab−a2)−3a3]2a2(3a−b)−2b2(a+3b)2(3a3−3b3−ab2)6(a3−b3)
9000079205 Level: AAssuming x≠0 and x≠2, simplify the following expression. x3−x2x−2⋅2−xx21−xx−1x+1x2−1
9000079206 Level: AAssuming x≠0, y≠0, x≠y, simplify the following expression. 1x2−1y2−1y+1xx+yxy−x+yxy1y−1x1x−1y
9000079210 Level: AConsider the expression V(x)=xx−1−11−x. Find the correct ordering of the values V(−2), V(0) and V(2).V(0)<V(−2)<V(2)V(−2)<V(0)<V(2)V(0)<V(2)<V(−2)V(2)<V(0)<V(−2)
9000083604 Level: AAssuming x≠−1, x≠±y, simplify the expression. x2+2xy+y22x2+4x+2⋅(x+1)(y−x)y2−x2x+y2x+2x+y2x+y12
9000083605 Level: AFind the common denominator of the fractions. 3xx2+4x+4 and x+5x2−4(x+2)2(x−2),x≠±2(x+2)(x−4),x≠±2(x+2)2(x−4),x≠±2(x+2)(x−4),x≠±2