cemslovely cemslovely
  • 13-09-2019
  • Mathematics
contestada

What’s the product (X+3)(x+7)

Respuesta :

Аноним Аноним
  • 13-09-2019

The answer is x²+10x+21

(x+3)(x+7)

=(x+3)(x+7)

=(x)(x)+(x)(7)+(3)(x)+(3)(7)

=x²+7x+3x+21

=x²+10x+21

Answer Link
luchoprat
luchoprat luchoprat
  • 13-09-2019

Answer:

[tex] {x }^{2} + 10x + 21[/tex]

Step-by-step explanation:

[tex](x + 3)(x + 7) \\ = x \times x + 3 \times x + 7 \times x + 3 \times 7 \\ = {x}^{2} + (3 + 7) x + 21 \\ = {x}^{2} + 10x + 21[/tex]

Answer Link

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