Answer:
yhe answer is x(x-8)=x2-8x
b(b+12)=b2+12b
Step-by-step explanation:
240
57600=10×24×10×24
x-0.75x=9.00
-0.74x=9.00
x=0.74+9.00
x=9.74
x=6
5x-10=2x+8
subtract 2x on both sides
3x-10=8
add 10 on both sides
3x=18
