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For the polynomials and
MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra
Problem
For the polynomials
A
(
x
)
=
3
x
2
−
4
x
+
5
A(x)=3x^2-4x+5
A
(
x
)
=
3
x
2
−
4
x
+
5
and
B
(
x
)
=
5
x
2
+
2
x
−
7
B(x)=5x^2+2x-7
B
(
x
)
=
5
x
2
+
2
x
−
7
, let
P
(
x
)
=
A
(
x
)
−
B
(
x
)
P(x)=A(x)-B(x)
P
(
x
)
=
A
(
x
)
−
B
(
x
)
. Which of the following is the leading term of
P
(
x
)
P(x)
P
(
x
)
after simplification? (a)
2
x
2
2x^2
2
x
2
(b)
−
2
x
2
-2x^2
−
2
x
2
(c)
8
x
2
8x^2
8
x
2
(d)
0
0
0
Related theory
Polynomials
Algebraic expansions
Algebra
Expanding products and combining like terms
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