Operations with Polynomials Practice, algebra homework help

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Simplify the expression (m2 - 5)(2m2 + 3) 2m4 - 13m - 15 -11m4 - 15 2m4 - 7m2 - 15 -5m4 - 15 Simplify the expression. a^3(4a - 6b + 8ab^4 ) 2a3 - 3a3b + 4a3b4 2a4 - 3a3b + 4a4b4 8a4b4 8a4 - 12a3b + 16a4b4 Simplify the expression. (10x^22 - 3xy + 4y^22) - (3x^22 + 5xy) 7x2 + 2xy + 4y2 7x2 - 8xy + 4y2 7x2 - 8xy - 4y2 5x2y2 Simplify the expression. (4x2 ^2- 3y^22 + 5xy) - (8xy + 3y^22) 12x2y + 5xy -4x2y + 5xy 4x2 - 3xy 4x2 - 6y2 - 3xy Simplify the expression. (5y + 3y^22) + (-8y - 6y^22) 3y + 3y2 -3y - 3y2 13y + 9y2 22y3 Simplify the expression. (3x^22 - x + 2) + (x^22 +4x - 9) 4x2 + 3x - 7 4x2 - 5x + 11 7x6 - 7 4x4 + 3x2 - 7 Find the degree of the polynomial expression shown below. 2a + 6b 6 2 1 0 Find the degree of the polynomial expression shown below. 5x^2y^4 + x 6 5 4 2 Which of the following is a polynomial? Which of the following is not a polynomial?
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Simplify the expression
(m2 - 5)(2m2 + 3)

2m4 - 13m - 15
-11m4 - 15
2m4 - 7m2 - 15
-5m4 - 15

Working;
(𝑚2 − 5)(2𝑚2 + 3)
Opening the brackets;
𝑚2 (2�...


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