2x² - 7x + 4 Sana matulungan nyu po ako sa sagot at sa solution ate Gwen...
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caneteplomar
2 x 2 + 7 x − 4 2 x 2 + 7 x - 4 For a polynomial of the form a x 2 + b x + c a x 2 + b x + c , rewrite the middle term as a sum of two terms whose product is a ⋅ c = 2 ⋅ − 4 = − 8 a ⋅ c = 2 ⋅ - 4 = - 8 and whose sum is b = 7 b = 7 .
Answers & Comments
x
2
+
7
x
−
4
2
x
2
+
7
x
-
4
For a polynomial of the form
a
x
2
+
b
x
+
c
a
x
2
+
b
x
+
c
, rewrite the middle term as a sum of two terms whose product is
a
⋅
c
=
2
⋅
−
4
=
−
8
a
⋅
c
=
2
⋅
-
4
=
-
8
and whose sum is
b
=
7
b
=
7
.