Pilne na dzisaj !!! przekształć iloczyny na sumy i sprowadz je do najprostrzej postaci! a)6(2a-6b+3c)= b)(3x-2y+9)×4= c)3(5x-8z-2)= d)(4x-7y+7)(-2)= e)-8(7n+9p+t)= f)-2(3a+1)+(4a-5)= g)3(b-5a)-2(3b+a)= h)5(2x+3y)-(x-2y)=

a) 6(2a-6b+3c)=6*2a-6*6b+6*3c=12a-36b+18c b) (3x-2y+9)*4=3x*4-2y*4+9*4=12x-8y+36 c) 3*(5x-8z-2)=3*5x-3*8z-3*2=15x-24z-6 d)(4x-7y+7)*(-2)=4x*(-2)-7y*(-2)+7*(-2)=-8x+14y-14 e)-8(7n+9p+t)=-8*7n-8*9p-8*t=-56n-72-8t f)-2(3a+1)-2(3b+a)=-2*3a-2*1-2*3b-2*a=-6a-3-6b-2a=-8a-3-6b g)3(b-5a)-2(3b+a)=3*b-3*5a-2*3b-2*a=3b-15a-6b-2a=-3b-17a h)5(2x+3y)-(x-2y)=5*2x+5*3y-x-(-2y)=10x+15y-x+2y=9x+17y