(x+2) x 5=5x+10
6(3y-4) = 18y-24
(2m+3n) x 7= 14m+21n
C(2a+5b)= 2ac+5bc
-4a(3b-2a)= -12ab+8a2
(-5x + 3y) x 2x=-10x2+6xy
(3a-4b+5c) x (-2) = -6a+8b-10c
X3(x2+x-2)=x5 + x4 – 2x3
(3y2+4y-1) x (-5y6) = -15y8-20y7+ 5y6
4a3(2a2-5a-3) = 8a5-20a4-12a3
(4z5+2z2-10z) x 2z3=8z8 + 4z5 – 10z4
(-6x3y2)(4x5 – 5y4)=24x8y2+30x3y6
(4b3-3b2+7b-10)(-2b5) = -6 b8 + 6b7 –14 b6 + 20b5
(3c8 + 5c3 – 2c3 – 8c + 3) x 3c4=9c12+ 15c7 – 6c7 – 24c5 + 9c
5xy (2x2 – 3xy2 + y3 – 4x) = 5x3y – 15xy3 + 5xy4 – 20x2y
(-2a2 b2) x (-6a2 – 7ab + b3 – 3a3b4 + 2b2) = 12a4b2 + 14a3 b3 – a2 b5 + 6 a5 b6 – 4 a2 b4
(8a3 –4a2b4 –3ab2 + 5b3) x (-2a5b3) = -16a8b3 + 8a7b7 + 6a6b5 – 10a5b6
(-2xyz) x (4xy5z – 5x3yz2 + 3xy2 – 2y3z2)=-8x2y6z2+ 10x4y2z3 – 6 x2y3 + 4x2y4z3