−9(−7)×3215
First, perform the multiplication:
63×153263×3215
Now, calculate the exponent:
63×15963×915
Finally, perform the multiplication and division:
63×159=9459963×15=9945
Now, simplify the fraction:
9459=1059945=105
So, −9(−7)×1532=105−9(−7)×3215=105.