The best way to factor this is to use the quadratic equation.
Using an equation of the form:
ax2 + bx + c = 0
You use the quadratic formula like this:
x = [-b +(or -) sqrt(b2-4ac)]/2a
For your problem, a = 2, b = -6, and c = 9. Therefore:
x = [6 +(or -) sqrt(36 - 4(2)(9))]/4 = [6 +(or -) sqrt(36-72)]/4
= [6 +(or -) sqrt(-36)]/4 = (6 +(or -)6i)/4 = 3/2 +(or -)3i/2
Therefore the factorization is (x - 3/2 - 3i/2)(x - 3/2 + 3i/2).
Chat with our AI personalities
a2 + 12a + 27 = (a + 3)(a + 9)
The expression is likely 4x2 - 36x +81 which is the same as (2x - 9)(2x - 9) or (2x - 9)2
(m + 9)(m + 9)
Since the problem has 4 terms, first you factor x cubed plus 9x squared, then you factor 2x plus 18. So when you factor the first two term, you would get x sqaured (x plus 9). Then when you factor the last two terms and you get 2 (x plus 9). Ypure final answer would be (x squared plus 2)(x plus 9)
Type your answer here. Find the radius for a circle with the equation x2 plus y2 equals 9? ..