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Answered

Perform the indicated operation.
16.) (x ^ 2 + 7x - 2) + (5x + 4)
17. (5x ^ 2 + 3x - 4) - (x ^ 2 + 2x + 1)
18.) (3x ^ 5 * y ^ 7) ^ 2 + x ^ 0
19. (2a ^ 13 * b ^ 2)/(8a ^ 9 * b ^ 3)
20.) (2b + 3)(b - 2)
21.) (5 - x)(5 + x)
22.) (x + y) ^ 3
23.) (a + b - 2c) ^ 2
24.)(3x+2)^ 2
25.)(a+7)^ 2​

Sagot :

Traccc14go

Answer:

16.) 44x²+18x-8

17.) 4x²+x-5

18.) 9x^10y^14 + 1

19.) a⁴/4b

21.) 25-x²

22.) x³+3x²y+3xy²+y³

23.) a²+2ab-4ac+b²-4bc+4c²

24.) 6x²+4

25.) a²+14

Step-by-step explanation:

16.) 5x²+4x²+35x²+28x-10x-8

=44x²+18x-8

23.) (a+b-2c)(a+b-2c)

a²+ab-2ac+ab+b²-2bc-2ac-2bc+4c²

=a²+2ab-4ac+b²-4bc+4c²

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