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Alinara [238K]
2 years ago
10

Solve the equation for all values of x. (8x+9)(49x^2-100)=0

Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
4 0

Answer:

x = \frac{-9}{8} , \frac{-10}{7} , \frac{10}{7}

Step-by-step explanation:

8x+9=0

8x=-9

x = \frac{-9}{8}

or

49x^{2}-100 = 0

(7x)^{2} -10^{2} =0,

(7x+10)(7x-10)=0

7x+10=0, 7x-10=0

7x=-10, 7x=10

x=-\frac{-10}{7}, x = \frac{10}{7}

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