Question

Qsquare + 30Q - 1000 =0​

Answer 1

Answer:

Q² + 30Q - 1000 = 0

Q² + 50Q - 20Q - 1000 = 0

Q(Q + 50)-20(Q + 50) = 0

(Q - 20)(Q + 50) = 0

Q = -50 , 20

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Answer 2

Answer:

your answer is q=20 and q=-50 ok.........................

Explanation:

q2+30q-1000=0

q2+50q-20q-1000=0

q[q+50]-20[q+50]=0

[q+50][q-20]=0

here q+50=0 and q-20=0

then q=-50 and q=20

i hope it will be helpful for you