simplify the expression -6 - 7(c+10)

simplify the expression 5x+6(x-2)-8(x-3)

I don't understand can someone EXPLAIN it to me.

1 answer

distribute the numbers over the quantities in parentheses
... then collect like terms

-6 - 7c - 70 ... -7c - 76

5x + 6x - 12 - 8x + 24 ... ?