X 2 6X 9. 6x = 2⋅x ⋅3 6 x = 2 ⋅ x ⋅ 3 rewrite the polynomial. Y = x2 −6x +9.
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Web algebra factor x^2+6x+9 x2 + 6x + 9 x 2 + 6 x + 9 rewrite 9 9 as 32 3 2. X2 + 6x+32 x 2 + 6 x + 3 2 check that the middle term is two times the product of the numbers being squared in the first term and third term. Trinomial squares can be factored by finding the square roots of the leading and trailing terms. X2 +6x + 9 we can split the middle term of this expression to factorise it in this technique, if we have to factorise an expression like ax2 + b + c, we need to think of 2 numbers such that: X = 3 x = 3 X = − y + 3, y ≥ 0. 6x = 2⋅x ⋅3 6 x = 2 ⋅ x ⋅ 3 rewrite the polynomial. Subtract 9 from both side of the equation : Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9 add 9 to both sides of the equation : On the right hand side we have :
Subtract 9 from both side of the equation : Y = x2 −6x +9. X2 + 2⋅x⋅3+32 x 2 + 2 ⋅ x ⋅ 3 + 3 2 Web algebra calculator trigonometry calculator calculus calculator matrix calculator. X = − y + 3, y ≥ 0. On the right hand side we have : Web algebra factor x^2+6x+9 x2 + 6x + 9 x 2 + 6 x + 9 rewrite 9 9 as 32 3 2. Subtract 9 from both side of the equation : X = 3 x = 3 Steps using the quadratic formula. N 1 ⋅ n 2 = a ⋅ c = 1 ⋅ 9 = 9 and n 1 + n 2 = b = 6 after trying out a few numbers we get n 1 = 3 and n 2 = 3 3 ⋅ 3 = 9, and 3 +3 = 6 x2 +6x + 9
