+113 Fill in the blanks to make a quadratic whose roots are $1$ and $-1.$
x^2 + ___ x + ___
+1233
Fill in the blanks to make a quadratic whose roots are $1$ and $-1.$
x^2 + ___ x + ___
x = + 1 ==>> therefore the factor is (x – 1)
x = – 1 ==>> therefore the factor is (x + 1)
(x + 1)(x – 1) = x2 – 1
so, fill in the blanks with 0 and – 1 respectively, thus: x2 + 0x + (– 1)
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