exam Maths Puzzle Numerical Ability

. Multiply. (5x + 9)^2

Read Solution (Total 0)

exam Other Question

Please help me solve the following problem:

Find all the real zeros of {{{3x^4 + 3x^3 -17x^2 + x - 6 =0}}}

Thank You X^2-6x+4>0. Problem is, the 4 and -6 are not factorable. I tried using quadratic formula and -6^2 is an imaginary #. I ended up getting 3+ or - square root 6i-16.