Question

Q.14 Find the product (5 – 2x) (3 + x)​

Answer 1

Answer:

(5 - 2x)(3 + x)

= 5(3 + x) -2(3 + x)

= 15 + 5x -6 -2x

= 15 - 6 + 5x - 2x

= 9 + 3x (or) 3(3 + x)

Step-by-step explanation:

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Answer 2

Question:

Find the product (5 – 2x) (3 + x)

Answer:

$(5 - 2x)(3 + x) \\ = 5 \times 3 + 5 \times x + ( - 2x) \times 3 + ( - 2x) \times x \\ = 15 + 5x - 6x - 2 {x}^{2} \\ = - 2 {x}^{2} - x + 15$

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