Math, asked by nishatkhan917742, 10 months ago

(ii) {(-7) - 3} * (-2) + {(- 2) * (-7)} - (-3)
(il) (-1987) * 449 + 1987 * (- 449)​

Answers

Answered by saish35
1
i) [(-7) - 3] x (-2) + [(-2) x (-7)] - (-3)

= [(-10) x (-2)] + [(14) - (-3)]

= 20 + [14 + 3]

= 20 + 17

= 37

ii) (-1987) x 449 + 1987 x (-449)

= (-892163) + (-892163)

= (-892163) - (892163)

= (-1784326)
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