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Artist 52 [7]
2 years ago
13

(x² + 6x-5) + (x²-8x-4)

Mathematics
1 answer:
leonid [27]2 years ago
8 0

Answer:  2x^2-2x-9

Step-by-step explanation:

subtract the numbers

x^2 + 6x-5+x^2-8x-4

X^2+6x-9+x^2-8x

then your gonna combine like terms

x^2+6x-9=x^2-8x

2x^2+6x-9-8x

combine like terms

2x^2+6x-9-8x

2x^2-2x-9

solution

2x^2-2x-9

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3 years ago
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G<br> H<br> 2.5(JK)<br> 12<br> к<br> L<br> F<br> What is HL?
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=================================================================

Work Shown:

The diagram shows that JK = 12 and GF = 2.5*(JK) = 2.5*12 = 30

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