Answer:
Yes there is (but we like to remove it)
Step-by-step explanation:
Recall that x^1 = x, which represents x being multiplied by itself once, so you just have x. So, we usually take out the exponent 1 because it is not necessary since it's just the same as x.
6C4 = 6!/(4!2!)= 720/(2*24)=15
Answer:
=-18x^2+78xy-24y^2
Step-by-step explanation:
(-2x+8y)(9x-3y)
-18x^2+6xy+72yx-24y^2
-18x^2+(6xy+72xy)-24y^2
=18x^2+78xy-24y^2
10×+30=12×
10×-12×=-30
-2×=-30
×=15
Answer:
15.42
Step-by-step explanation:
