Evaluate the expression given below
A=(-4),x=2,b=(-3),m=(-2),n=6
1) 3m2+2m2n+n3
2)4a2-b2+6b2-7b2
3)3x2-8ab+4x2+11ab
Answers
Answered by
20
Solution:
Given, A=(-4),x=2,b=(-3),m=(-2),n=6
(I) 3m² + 2m²n + n³
3(-2)² + 2(-2)².6 + 6³
3(4) + 2(4)6 + 108
12 + 48 + 108
168
(ii) 4a²-b² +6b² -7b²
4(-4)² - (-3)² + 6(-3)² - 7 (-3)²
4(16) - 9 + 6(9) - 7(9)
46
(III) 3x²-8ab+4x²+11ab
3(2)² - 8.2.-3 + 4(2)² + 11.-4.-3
3(4) +48 + 4(4) + 11×12
208
mugdha7119:
thanks
Answered by
12
Answer:
Step-by-step explanation:
Given, A=(-4),x=2,b=(-3),m=(-2),n=6
(I) 3m² + 2m²n + n³
3(-2)² + 2(-2)².6 + 6³
3(4) + 2(4)6 + 108
12 + 48 + 108
168
(ii) 4a²-b² +6b² -7b²
4(-4)² - (-3)² + 6(-3)² - 7 (-3)²
4(16) - 9 + 6(9) - 7(9)
46
(III) 3x²-8ab+4x²+11ab
3(2)² - 8.2.-3 + 4(2)² + 11.-4.-3
3(4) +48 + 4(4) + 11×12
208
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