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xxMikexx [17]
3 years ago
13

ILL GIVE BRAINLIEST PLEASE HELP WITH THESE ALGEBRA QUESTIONS show work pls

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:

17.) 18^{4} + 2x^{3} - 14x^{2}

18.) 9x^{5} + 27x^{4}

19.) -12y^{3} - 12y^{2} - 12y - 12

20.) x^{2} + 9x + 20

21.) 4x^{2} - 5x - 6

22.) m^{6} +2m^{5} + m^{4}

23.) 2 m ^{7}+ 3 m ^{6} + 2 m ^{4} + 10 m ^{3} + 15 m^{ 2} + 10

Step-by-step explanation:

17.) Distribute 2x^{2} to all of the terms in the parenthesis.

18.) Combine Like Terms (x and 9x^{4}\\) Multiply all other terms by 9x^{4}

19.) Multiply terms within the separate parenthesis together

20.) Use FOIL and expand the polynomial

21.) Use FOIL and expand the polynomial

22.) Combine like terms and multiply the contents of the parenthesis by the exponent

23.) Expand  ( m^{ 4} + 5 ) ( 2 m^{ 3} + 3 m ^{2} + 2 )  by multiplying each term in the first expression by each term in the second expression.

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