Solution: Solve for x in the equation x = (b^2-4b+16)(b^2-16)/(b^3+64)

Solution: Simplify: 7^(a+2) – 8(7)^(a+1) + 5(7)^a + 49(7)^(a-2)

Solution: Simplify: {x^(2/3) [x^(-1/3) y^(-1/2) (x^2 y^(-2) )^(-2/3) ]^(1/2) }^6

Solution: Simplify the following equation: 5x/(2x^2+7x+3) – (x+3)/(2x^2-3x-2) + (2x+1)/(x^2+x-6)

Solution: Simplify: ((x^2 y^3 z^(-2) )^(-3) (x^(-3) yz^3 )^(-1/2))/(xyz^(-3) )^(-5/2)

Solution: Determine the sum of the solution to the simultaneous equations: xy=15, yz=35, zx=21

Solution: Multiply the following: (2x+5y)(5x-2y)

Solution: Solve the simultaneous equations: x+y=- 4, x+z-1=0 and y+z+1=0

Solution: Solve for the value of x given three equations: 2x-y+z=6, x-3y-2z=13 and 2x-3y-3z=16

Solution: Find the value of w in the following equations: 3x-2y+w=11, x+5y-2w=-9 and 2x+y-3w=-6