Hw Assignment 3 P25
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HW Assignment 3 Multiply, then simplify. Show your grid for each and all work.
(
)
(
)
1. x 2 + x + 1 ( x − 1)
2. n 2 − n + 2 ( n + 2 )
Answer: _____________________________
Answer: _____________________________
(
)
(
)
3. 2 x 2 + 6 x + 1 ( 2 x + 1)
4. 4 x 2 − 2 x − 1 ( 3 x − 1)
Answer: _____________________________
Answer: _____________________________
(
)(
5. y 2 + 6 y + 1 3 y 2 − 3
)
Answer: _____________________________
(
)(
6. x 3 + x 2 − x x 3 + x 2
)
Answer: _____________________________
(
)(
)
(
)(
)
7. x 2 + x + 1 x 2 − x − 1
8. x 5 − x 3 + x x 4 + x 2 −1
Answer: _____________________________
Answer: _____________________________
(
9. ( a − b ) a 3 + a 2 b + b 3
)
(
10. ( c + d ) c 3 − c 2 d − d 3
)
Answer: _____________________________ Answer: _____________________________ (Review) Simplify. Rewrite all negative exponents as positive exponents using fractions. 11. x 10 ⋅ x 5 = 12.
x 10 = x5
x5 13. 10 = x
16. x −10 = 17. x −5 = 18. ( 5 x ) −10 =
14.
8x 5 = 2x 4
19. 2 x 3
15.
2x5 = 8x 4
20. 2 5 x 4
(
)
−10
( )
=
−10
=
(
)
(
)
1. x 2 + x + 1 ( x − 1)
2. n 2 − n + 2 ( n + 2 )
Answer: _____________________________
Answer: _____________________________
(
)
(
)
3. 2 x 2 + 6 x + 1 ( 2 x + 1)
4. 4 x 2 − 2 x − 1 ( 3 x − 1)
Answer: _____________________________
Answer: _____________________________
(
)(
5. y 2 + 6 y + 1 3 y 2 − 3
)
Answer: _____________________________
(
)(
6. x 3 + x 2 − x x 3 + x 2
)
Answer: _____________________________
(
)(
)
(
)(
)
7. x 2 + x + 1 x 2 − x − 1
8. x 5 − x 3 + x x 4 + x 2 −1
Answer: _____________________________
Answer: _____________________________
(
9. ( a − b ) a 3 + a 2 b + b 3
)
(
10. ( c + d ) c 3 − c 2 d − d 3
)
Answer: _____________________________ Answer: _____________________________ (Review) Simplify. Rewrite all negative exponents as positive exponents using fractions. 11. x 10 ⋅ x 5 = 12.
x 10 = x5
x5 13. 10 = x
16. x −10 = 17. x −5 = 18. ( 5 x ) −10 =
14.
8x 5 = 2x 4
19. 2 x 3
15.
2x5 = 8x 4
20. 2 5 x 4
(
)
−10
( )
=
−10
=
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