Explain why each expression is or is not a perfect square trinomial. (1) x^{2} + 6x + 12 x2+6x+12
(2) x^{2} + 18x + 81 x2+18x+81
(3) x^{2} + 15x + 25

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

If you could answer these your a life saver

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above