Polynomials

Simplify the expression.
-3x^2( 7x^2 - x + 4)

• -21x^4 + 3x^3 -12x^2
• 7x^2 - x + 4 (-3x^2)
• 21x^^4 + 3x^3 + 12x^2
• -12x^2 + 3x^3 -21x^4

Find the product.
(2y - 7)(3y + 5)

• y^2 + 2y + 4
• 6y^2 -11y -35
• -35 -11y + 6y^2
• 2y^2 -17y +30

Find the product.
(2x + 3)(x + 5)

• 2x^2 + 13x + 5
• 3x^2 + x + 8
• 10x + 15
• 2x^2 + 3x

Find the product.
(x + 7)^2

• x^2 + 7x + 7x + 49
• x^2 + 7x + 7
• 7x^2 + x + 7
• x^2 + 14x + 49

Find the Difference.
(4x^3 -3x^2 + 6x - 4) - (-2x^3 + x^2 -20

• 4x^2 - 6x^3 - 2x + 6
• 3x + 5x^2 + 1
• 6X^3 -4X^2 + 6X -2
• 3x + 2

Find the difference.
(7p + 4p^3 - 8)- (-3p^2 + 2 - 9p

• -3p^2 + 4p^3 -15 + 9
• 3p^3 + 4p^2 - p + 3
• 4p^3 -3p^2 +16p -10
• 4p^3 +3p^2 + 16p + 10

Find the difference. 
(3- 2x + 2x^2) - (4x -5 +3x^2)

• x2 + 6x + 8
• 2x2 + 5x - 7
• -x2 -6x + 8
• -2x2 + 11x - 4

Find the sum.
(5x^2 -3^x + 4) + (6x -3x^2 - 3)

• 3x^2 + 2x + 1
• 2x^2 + 3x +1
• 2x^2 + 5x - 7
• 3x^2^ + 4x^5 -7x

Find the sum.
(3y^2 + y^3 - 5) + (4y^2 -4y + 2y^3 + 8)

• 3y^3 + 4y^2 - y + 3
• 4y^2 + 3y^3 - y + 3
• -y^4 + 2y^3 -y - 4
• 4y^3 + 3y^2 -3y + 1

Find the sum.
(2x^2 + 5x - 7) + ( 3 - 4x^2 + 6x)

• 2x^2 + 3x +1
• -2x^2 - 11x -4
• 2x^2 _+ 5x -7
• -2x^2 + 11x -4