Mathematics, 12.08.2020 08:01 payshencec21
Using the distributive property, Marta multiplied the binomial (2x + 3) by the trinomial (x2 + x – 2) and got the expression below.
Answers: 1
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![(2x+3)\times (x^{2}+x-2)=[2x\times(x^{2}+x-2)]+[3\times(x^{2}+x-2)]](/tpl/images/0719/9242/eacbd.png)
![=[(2x\times x^{2})+(2x\times x)-(2x\times 2)]+[(3\times x^{2})+(3\times x)-(3\times 2)]\\\\=[2x^{3}+2x^{2}-4x]+[3x^{2}+3x-6]\\\\=2x^{3}+2x^{2}+3x^{2}-4x+3x-6\\\\=2x^{3}+5x^{2}-x-6](/tpl/images/0719/9242/6ad10.png)
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Using the distributive property, Marta multiplied the binomial (2x + 3) by the trinomial (x2 + x – 2...
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