Answer:
Step-by-step explanation:
136
(6-10i)(6+10i)
36 +60i - 60i - 100i²
36 - 100i² (i² = -1)
36 + 100
ab(b-3)
ab-3b+b^2-3a
(-3a+ab)(-3b+b^2)
a(b-3) b(b-3)
3 quarters and a dime a nickel and 4 pennies