Question

(-20)×[(-3)+9] =(-20)×(-3)+(-20)×9​

Answer 1

Answer:

Step-by-step explanation:

-20*(-3+9) = -20*(-3) -20*9

-20*(6) = 60+(-180)

-120 = 60-180

-120 = -120

Answer 2

Correct option is

A

50

Given 2-4=20

which is 2×2+4×4=20

and 3-9=90

which is 3×3+9×9=90

therefore, 1-7=1×1+7×7=5