Question

Simplify the expressions and evaluate them as directed:
(a) x(x-3)+2, for x = 1
(b) 3y (2y-7)-3(y-4)-63, for y=-2​

Answer 1

Answer:

a ) 1(1-3)+2

1×-2+2

-2+2=0

Step-by-step explanation:

b ) 3× -2(2×-2-7)-3(-2-4)-63

-6× -11+18-63

66-63+18

21