(5x ² +1) (2x + 3) - 2 x (5²-3)
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Answer:
Step-by-step explanation:
1. take out constants
( 5 × 2 × 4 × - 4 × - 2)
2. simplify 5 × 2 to 10
(10 × 4 - 4 × - 2)
3. simplify 10 × 4 to 40
(40 × - 4 × - 2)
4. simplify 40 × -4 to -160
(-160 × - 2)
5. simplify -160 × -2 to 320
6. use product rule:
7. simplify 5 + 5 to 10
8. simplify 10 + 5 to 15