Question

15. What is the simpler form of the expression? (3c^2+7)(3c^2-7) 16.whats the factored form of the expression ? d^2+5d+4 17.what is the factored form of the following expression? X^2+2xy-48y^2 18. What's the factored form of the expression? 56x^2+85x+24 19.what is the factored form of the expression 15x^2+28x+5 20.whats the factored form of the following expression? 6g^2+5g-6 21.whats the factored form of the expression 6x^2+1xy-15y^2 22.whats the factored form of the expression 168y^2-99y-42 23. Find the radius of a circle with the area of 3.14 (9x^2+48x+64) 24.what is the factored form of expression 80x^2+120x+45 25. A dollhouse has a volume given by the trinomial y^3-5y^2-6y. What are the possible dimensions of the dollhouse ? Using factoring . An that's all the questions I have.

Answer 1

15: 9c^4-49
16: (d+1)(d+4)
17: (x+8y)(x-6y) (Not sure about)
18: (8x+3)(7x+8)
19: (5x+1)(3x+5)
20: (3g-2)(2g+3)
21: (2x-3y)(3x+5y)
22: 3(8y-7)(7y+2)
23: 31.19 (Not sure about)
24: 5(4x+3)^2
25: (Not sure about at all.. lol)