ohemgee ohemgee

22-03-2019
Mathematics

contestada

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)

Respuesta :

ashter2000 ashter2000

22-03-2019

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

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