find whether this is true `(-21)xx[(-4)+(-6)] = [ (-21)xx(-4)+[(-21)xx(-6)]`

(-1)xx(-5)xx(-4)xx(-6)

(-1)xx(-5)xx(-4)xx(-6)

Verify the following:(a) 18xx[7+(-3)]=[18xx7]+[18xx(-3)] (b) (-21)xx[(-4)+(-6)]=[(-21)xx(-4)]+[(-21)xx(-6)]

Find each of the following products: (i) (-2) xx36xx(-5) (ii) (-2)xx(-4)xx(-6)xx(-8)

Find each of the following products: (a) 3 xx (-1) (b) (-1) xx 225 (c) (-21) xx (-30) (d) (-316) xx (-1) (e) (-15 xx 0 xx (-18) (f) (-12) xx (-11) xx (10) (g) 9 xx (-3) xx (-6) (h) (-18) xx (-5) xx (-4) (i) (-1) xx (-2) xx (-3) xx 4 (j) (-3) xx (-6) xx (-2) xx (-1)

Evaluate each of the following products: (-1)xx(-2)xx(-3)xx(-4)xx(-5) (-3) \ xx(-6)xx(-9)xx(-12)

Simplify: (-3)/5xx\ (-(10)/9)xx\ ((21)/(-4))xx(-6)

Find the following products : (-6)xx5xx(-4)

Find: b. (15)/(16) xx (4)/(21)