What number should be added to the expression x^2+4x to change it into a perfect square trinomial?
2 answers:
X^2 + 4x + 4 = (x + 2)^2
so the answer is 4.
4 b/c u have to take half your b number (4) and square that, giving u 4
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Answer:
d
Step-by-step explanation:
4x-2>12
+2. +2
4x>14
4x÷4>14÷4
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Answer:
incorrect because the square area would be 440
Step-by-step explanation: