Question

plz tell me the answer of all these parts no spam​

Answer 1

Answer:

a) 3(3×6-(-5))

3(18+5)

54+15

69.

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

(a) a ( 3c - b )

    3 [3 × 6 - ( - 6 )]

    3 [ 18 + 6 ]

     3 × 24

     = 72 Ans

(b) ab² - ac

    3 × ( - 5 )² - 3 × 6

    3 × 25 - 18

    75 - 18

    = 57 Ans

(c) $\frac{b}{a} - \frac{c}{b}$

  $\frac{-5}{3} - \frac{6}{-5}$

$\frac{-5}{3} + \frac{6}{5}$

 $\frac{- 25 + 18 }{15}$

 $\frac{- 7}{15}$ Ans

(d) $\frac{b + c}{a} +\frac{a+c}{b}$

$\frac{-5+ 6}{3} + \frac{3+6}{-5}$

$\frac{-1}{3} + \frac{9}{-5}$

 $\frac{-5 - 27}{15}$

 $\frac{- 32}{15}$ Ans