10a * (a + 2)
8878
Factor completely and check mentally 10a^2+20a
-5x(3x - 1)
(2x + 1)(2x + 1) or (2x + 1)2
30x2+25x-24x-20 = 30x2+x-20 = (6x+5)(5x-4) when factored
2(5x - 1)(3x - 2)
12n2 plus 8n?
6a squared-8ab+2a factor completely and check mentally
x=1/3,3/5
10a * (a + 2)
(x + 9)(x + 4)
(x+3)(x+3)
7(y + 4)
8878
Factor completely and check mentally 10a^2+20a
7x(3x3 - 2x2 + 5x + 1)