Asked by Amanda
Simplify each expression. Write answers in standard form.
a. (4d-6)(-3d)
b. 5g(g^2-2g+1)
c. (-2q^2+q+3)-5(q^2+2q-1)
a. (4d-6)(-3d)
b. 5g(g^2-2g+1)
c. (-2q^2+q+3)-5(q^2+2q-1)
Answers
Answered by
Bosnian
a )
( 4 d - 6 )( - 3 d ) =
4 d * ( - 3 d ) - 6 * ( - 3 d ) =
- 12 d ^ 2 + 18 d
b )
5 g ( g ^ 2 - 2 g + 1 ) =
5 g * g ^ 2 - 5 g * 2 g + 5 g * 1 =
5 g ^ 3 - 10 g ^ 2 + 5 g
c )
( - 2 q ^ 2 + q + 3 ) - 5 ( q ^ 2 + 2 q - 1 ) =
- 2 q ^ 2 + q + 3 - 5 q ^ 2 - 10 q + 5 =
- 2 q ^ 2 - 5 q ^ 2 + q - 10 q + 3 + 5
- 7 q ^ 2 - 9 q + 8
( 4 d - 6 )( - 3 d ) =
4 d * ( - 3 d ) - 6 * ( - 3 d ) =
- 12 d ^ 2 + 18 d
b )
5 g ( g ^ 2 - 2 g + 1 ) =
5 g * g ^ 2 - 5 g * 2 g + 5 g * 1 =
5 g ^ 3 - 10 g ^ 2 + 5 g
c )
( - 2 q ^ 2 + q + 3 ) - 5 ( q ^ 2 + 2 q - 1 ) =
- 2 q ^ 2 + q + 3 - 5 q ^ 2 - 10 q + 5 =
- 2 q ^ 2 - 5 q ^ 2 + q - 10 q + 3 + 5
- 7 q ^ 2 - 9 q + 8
Answered by
Bosnian
( - 2 q ^ 2 + q + 3 ) - 5 ( q ^ 2 + 2 q - 1 ) = - 7 q ^ 2 - 9 q + 8
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