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yan [13]
2 years ago
11

Adding and subtracting polynomials

Mathematics
1 answer:
prohojiy [21]2 years ago
3 0

Answer:

10z+10z+2+2+8z-8=20z+4

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Should be B

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3 years ago
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\huge \huge \huge\huge\mathrm{ \boxed{ \boxed{ \boxed{ \boxed{ \boxed {\boxed{  \huge\mathfrak{ Solution}}}}}}}}

  • \sqrt{x - 1}   - x =  - 7

  • \sqrt{x - 1}  =x  - 7

  • x - 1 = (x - 7) {}^{2}

  • x - 1 =  {x}^{2}  + 49 - 14x

  • {x}^{2}  - 14x + 49 - x + 1 = 0

  • {x}^{2}  - 15x + 50 = 0

  • {x}^{2}  - 10x - 5x + 50 = 0

  • x(x - 10) - 5(x - 10) = 0

  • (x - 5)(x - 10) = 0

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3 years ago
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