How do you evaluate $(3- 4b ) ( 2( - 3) + 5a )$ if $a=-1, b=-2$ ?

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Answer 1 · 2017-01-30T08:59:53

Answer is $-121$

Substitute in the given values and you will get the answer
by putting given values of a and b

$={3-4(-2)}{2(-3)+5(-1)}$

$={3-4(-2)}xx{2(-3)+5(-1)}$

$={3+8}xx{-6-5}$

$=11xx-11 =-121$

How do you evaluate (3- 4b ) ( 2( - 3) + 5a )(3- 4b ) ( 2( - 3) + 5a ) if a=-1, b=-2a=-1, b=-2?