Rewrite the expression below. -2a (a + b - 5) + 3 (-5a + 2b) + b (6a + b - 8)

Original: -2a(a+b-5) + 3(-5a+2b) +b(6a+b-8) Distribute: -2a^2-2ab+10a-15a+6b +6ab+b^2-8b Combine like terms: -2a^2+b^2+4ab-5a-2b