Factor the following difference of perfect squares
x^2-81
2 answers:
Answer:
(x+9)(X-9)
Step-by-step explanation:
Since both terms are perfect squares, factor using the difference of squares formula, a
^2
−
b^
2
=
(
a
+
b
)
(
a
−
b
) where a
=
x and b
=
9
.
(
x
+
9
)
(
x
−
9
)
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Answer:
x=6
Step-by-step explanation:
5x - 8 = 3x + 4
+8 +8
5x=3x+12
-3x -3x
2x=+12
/2 /2
x=6
Answer:
a, c, b, a
Step-by-step explanation:
Answer:
Length = 13 cm
Step-by-step explanation:
Length (L) = 2 x Width (W) + 5
2 x (L + W) = 34
2 x (2W + 5 + W) = 34
6W + 10 = 34
6W = 34-10 = 24
W=4
L = 13
The answer is, A) No solution
Reflection over the y axis Then a translation of 2 units down
