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Need help asap! 1. Add or Subtract. Show all work. (7x^2+4x-26-(-7x^2-3x+15) 2. Multiply. Show all work. (5x-1)(6x^2+3x+7)
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Need help asap!

1. Add or Subtract. Show all work.

(7x^2+4x-26-(-7x^2-3x+15)

2. Multiply. Show all work.

(5x-1)(6x^2+3x+7)

User Jorgehmv
by
5.2k points

1 Answer

4 votes
Answers

1. Solve inside bracket first

7x^2+4x-26+7x^2+3x-15

= (14x^2+7x-41) Answer

2. 5x(6x^2+3x+7)-1(6x^2+3x+7)
= 30x^3+15x^2+35x-6x^2-3x-7
= (30x^3+9x^2+32x-7) Answer
User Brendan Chang
by
5.0k points
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