x²+2x=143 find the value of x?
step by step anwer it.......
Home
/
x²+2x=143 find the value of x?step by step anwer it.......
x²+2x=143 find the value of x?
step by step anwer it.......
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
add x+x+2x =143
4x= 143
x= 143÷4
x=35.75
Step-by-step explanation:
mark as branliest answer
ANSWER: X =11 AND -13
EXPLANATION:
[tex]x {}^{2} + 2x - 143 = 0 \\ x {}^{2 + } + 13x - 11x - 143 = 0 \\ x(x + 13) - 11(x + 13) = 0 \\( x - 11)(x + 13) = 0 \\ x = ( - 11)(13)[/tex]
so X =-11 and 13