Question

x²+2x=143 find the value of x?
step by step anwer it.......​

Answer 1

Answer:

add x+x+2x =143

4x= 143

x= 143÷4

x=35.75

Step-by-step explanation:

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Answer 2

ANSWER: X =11 AND -13

EXPLANATION:

$x {}^{2} + 2x - 143 = 0 \\ x {}^{2 + } + 13x - 11x - 143 = 0 \\ x(x + 13) - 11(x + 13) = 0 \\( x - 11)(x + 13) = 0 \\ x = ( - 11)(13)$

so X =-11 and 13