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Convert each equation into the form
MATHEMATICS · Subjective · CBSE · Mathematics · Polynomials · Polynomials
Problem
Convert each equation into the form
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
f(x) = a(x - r_1)(x - r_2)
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
.
f
(
x
)
=
x
2
−
9
f(x) = x^2 - 9
f
(
x
)
=
x
2
−
9
(*Hint: This is a "difference of squares" where the middle
b
b
b
term is just 0!* )
Related theory
Algebraic Identities
Polynomials
Factorisation of Polynomials
Difference of Squares
Algebra
Factorisation by identities
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