X2+7x-8=0
product=-8 times 1 = -8
sum= 7
{-1, 8}
x2-1x+8x-8=0
x(x-1)+8(x-1)=0
x+8=0 or X-1=0
x=-8
Answer:
there are four significant figures
Step-by-step explanation:
zeros to the right of a non zero digit are ambiguous
The greatest common factor( GCF) of 36 and 84 is 12.
Answer:
4
Step-by-step explanation:
300- x =100
50+50=100
100+100=200
300-200=100
300-200=100
so she bought 4 video games