Use the zero property to determine the solutions for (2x + 6)(x - 7) = 0.
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<h2>Question: Factor: 4x2 + 4x</h2>
Find the GCF.
Factor out the GCF.
Simplify each term in parentheses.
Hence, the answer is 4x(x + 1).
<h2 /><h2>Question: Expand: -(x - 3) </h2>Remove parentheses.
Regroup terms.
Therefor, the answer is 3 - x.
4ˣ⁻¹ = 49 / 4
<h3>How to simplify an expression?</h3>The expressions can be simplified as follows;
Hence,
Therefore,
Finally,
2ˣ = 7
4ˣ⁻¹ = 2²⁽ˣ⁻¹⁾ = 2²ˣ ⁻ ² = 2²ˣ / 2² = (2ˣ)² / 2²
Therefore,
(2ˣ)² / 2² = 7² / 2² = 49 / 4
Hence,
4ˣ⁻¹ = 49 / 4
Finally, the is equal to
and for the second part 4ˣ⁻¹ = 49 / 4
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