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Hunter-Best [27]
3 years ago
7

x+(x+3)+x^2=75 Please help........ Everyone is giving me answers i know arent true...

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

x + (x + 3) + x^{2} = 75

so you will add up all of the x 's but NOT the x^2

2x + 3 + x^{2} = 75

Rearrange to put the x^2 in front of 2x

x^{2} + 2x + 3 = 75

subtract the 75 from both sides

x^{2} + 2x - 72 = 0

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