F(x)=2x^+4x-7 I can’t solve this

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i