Question

Find the value of Dx for the equation 4 + 3 = 19 and 4 −
3 = −11

Answer 1

d=A1. b1

a2 B2

=4. 3

4. -3

=(4*(-3) -4*3

=. -12+12

=24

DX=b1. c1

b2. c2

=. 3. 19

-3. -11

=. 3*(-11)-(-3*19)

=. -33+57

=. 24