X2 + 4X + 4
Ask yourself, what factors of 4 add up to 4?
(X + 2)(X + 2)
or, more commonly expressed as,
(X + 2)2
Chat with our AI personalities
x2+4x-32 = (x-4)(x+8) when factored
x2 + 4x + 6 can not be factored. If you want, you can reduce it to an expression with a single x term by comleting the square: x2 + 4x + 6 = x2 + 4x + 4 + 2 = (x + 2)2 + 2
(x+4) (x+6)
x2 - 4
x2+4x+4 = 25 x2+4x+4-25 = 0 x2+4x-21 = 0 (x+7)(x-3) = 0 x = -7 or x = 3