9
If you mean ((-2) x (-6)) - (3 x (-21)) then it equals 75. Hope this helps!
One because if x3 = 1 then x must equal 1
x3-4=2 Add four to both sides. x3=6 Take the cu=6 be root of both sides. x is equal to the cube root of 6, or approximately 1.81712.
cube root of 216 = 6 > X= 6
2+4 (which equals 6) x3 (equals 18) +1 = 19
X3 - 4 = 2 X3 = 6 X = 61/3 X = about 1.817
I believe the converse is: if 2x equals 6 then x equals 3 inverse: if x doesn't equal 3 then 2x doesn't equal 6 contrapositive: if 2x doesn't equal 6 then x doesn't equal 3
Equals 6
x5 - 2x4 - 24x3 = 0 x3(x2 - 2x - 24) = 0 x3(x2 + 4x - 6x - 24) = 0 x3(x - 6)(x + 4) = 0 x = {-4, 0, 6}
3 + 2 + 25*3 - 6 = 3 + 2 + 75 - 6 = 74
-2
pq-r, if p is 3, q is 4, and r is -6 is equal to 3 x 4 - (-6), which is equal to 12 + 6, which is equal to 18.