benchmarks.wiki

benchmarks.wiki / Public workspace

MATH / Let x be a value such that 9x²−18x−16=0 and 15x²+28x+12=0. What is the value of x? Express your answer as a simplified common fraction.

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

Let xx be a value such that 9x2−18x−16=09x^2 - 18x - 16 = 0 and 15x2+28x+12=0.15x^2 + 28x + 12 = 0. What is the value of xx? Express your answer as a simplified common fraction.
Plain-text mathematical notation (without MathML)
Let x be a value such that 9x²−18x−16=0 and 15x²+28x+12=0. What is the value of x? Express your answer as a simplified common fraction.
Original LaTeX notation
Let $x$ be a value such that $9x^2 - 18x - 16 = 0$ and $15x^2 + 28x + 12 = 0.$ What is the value of $x$? Express your answer as a simplified common fraction.

level

Level 3

type

Algebra

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

task_id
1d310290-be29-527b-8a14-2c394c18be33
task_key
algebra--test--1d310290-be29-527b-8a14-2c394c18be33
task_revision_id
1
config / split
algebra / test

Official source

initial import