Expand (3x + 5)(2x + 4)
Worked out line by line the way a teacher would write it.
Answer
| Expanded form | 6x² + 22x + 20 |
Step-by-step solution
3 steps-
1 Given\left(3 x + 5\right) \left(2 x + 4\right)
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2 Multiply the binomials (FOIL: First, Outer, Inner, Last)
To multiply two binomials, multiply every term of one by every term of the other: the First terms, the Outer terms, the Inner terms and the Last terms, four products in all.
\left(2 x \cdot 3 x + 2 x \cdot 5 + 4 \cdot 3 x + 4 \cdot 5\right) -
3 Multiply out and combine like terms6 x^{2} + 22 x + 20
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