Math, asked by ekambhullar46, 2 months ago

verify a×(b+c)=a×b+a×c
1.a = -20, b = 15, c = 25
2. a= -1, b= - 2, c= - 300
3. a = 10,b = -2,c= 3
4. a = - 100, b = -200, c = -300​

Answers

Answered by anuraggautam999
0

Step-by-step explanation:

a×(b+c) =. a×b+a×c

so a= -100,b= -200, c= -300

-100×(-200+(-300) = -100×(-200)+-100×(-300)

-100×(-500)=20000+30000

50000= 50000

Answered by harshitha202034
3

Answer:

Verified

Step-by-step explanation:

 \:  \:  \:  \: a \times (b + c) = (a \times b) + (a \times c) \\ (1) \:  \:  \:  - 20 \times (15 + 25) = ( - 20 \times 15) + ( - 20 \times 25) \\ \:  \:  \:  \:   - 20 \times (40) = ( - 300) + ( - 500) \\  \:  \:  \:  \:  - 20 \times 40 =   - 300 - 500  \:  \:  \:  \:  \:  \: \\   \:  \:  \:  \: \large{ \underline{ \underline{ \bf - 800 =  - 800}}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \:  \:  \:  \: a \times (b + c) = (a \times b) + (a \times c) \\ (2) \:  \:  \: \:  \:  \:  \:  \:  ( - 1) \times ( - 2 + ( - 300)) = ( (- 1) \times  (- 2)) + (( - 1 )\times  (- 300)) \\    \:  \:  \:  \:  - 1 \times ( - 2 - 300) = (2 + 300) \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \:  \:  \:  \: ( - 1) \times ( - 302) = 302  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\  \:  \:  \:  \: \large{ \underline{ \underline{ \bf302 = 302}}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \:  \:  \:  \: a \times (b + c) = (a \times b) + (a \times c) \\ (3) \:  \:  \: 10 \times ( - 2 + 3) = (10 \times ( - 2)) + (10 \times 3) \\  \:  \:  \:  \: 10 \times (1) =  (- 20) + (30) \:  \:  \:  \\ \:  \:  \:  \:  \:  \:  10 =  - 20 + 30 \\ \large{ \underline{ \underline{ \bf10 = 10}}} \:  \:  \:  \:  \:  \:  \:  \\  \\ \:  \:  \:  \: a \times (b + c) = (a \times b) + (a \times c) \\ (4) \:  \:  \:  - 100 \times (( - 200) + ( - 300)) = ( - 100 \times ( - 200) + ( - 100 \times ( - 300)) \\  \:  \:  \:  - 100 \times ( - 200 - 300) = 20000 + 30000  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  - 100 \times ( - 500) = 50000 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\ \large{ \underline{ \underline{ \bf50000 = 50000}}} \:  \:  \:  \:  \:

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