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Naily [24]
3 years ago
5

4x²-5x+3 + 2x²+7x-8 a. 6x²+2x-5 b. 6x²+12x-5 c. 6x²-2x+5 d. 6x²+2x11

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
3 0
Combine the like terms

(4x^2 + 2x^2) +(7x - 5x) + (3 - 8)
6x^2 2x -5

6x^2 + 2x - 5

Answer is A
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3 0
2 years ago
the value of n is both 5 times as much as the value of m and 36 more than the value of m. what are the values of n and m? explai
Ray Of Light [21]

You said that        n = 5m

AND                     n = m + 36 .

Well then, if those two quantities are both equal to 'n', then
they must be equal to each other, and we can write

                                               5m = m + 36

Subtract 'm' from each side:    4m =       36

Divide each side by 4 :              m =        9 .

OK.  We're half done.

Way back at the beginning, the first thing you told me
was that 'n' is 5 times the value of 'm'. 

                                   n = 5 (m)

Well !  Now we know what 'm' is, so

                                   n = 5 (9) = 45 .

8 0
3 years ago
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