Identify Perfect Square Trinomial: Identify if the quadratic is a perfect square trinomial. 25d2=(5d)2, 16=42, and 40d=2×(5d)×4.Check if it fits the form (a+b)2=a2+2ab+b2.
Write Expression in Form: Write down the expression in the form of a perfect square trinomial. 25d2+40d+16=(5d)2+2×(5d)×4+42.
Factor as Square of Binomial: Factor the expression as a square of a binomial.(5d+4)2=(5d+4)(5d+4).
More problems from Factor quadratics: special cases