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There is no mathematical operator between "5x squared" and "t5x".
(5x + 2)(x + 3)
1
5x2 + 9x + 13 has no real factors.
25
Factorise: 5x2 + 2x - 192 = (x - 6)(5x + 32) = 0; whence, x = 6 or -6.4.
qwertyuiopasdfjk
x(x+5)
X squared + 7X + 12?
t(t-1)
-5
5
When you subtract 7x^2 from 5x^2, you get -2x^2.