i need help on how to do this
Expand the brackets
4x^2 - 5x ≤ 4x^2 + 12x + 9
Simplify,
4x^2 - 5x - 4x^2 - 12x - 9 ≤ 0
-17x - 9 ≤ 0
-17x ≤ 9
x ≥ -9/17
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Verified answer
Expand the brackets
4x^2 - 5x ≤ 4x^2 + 12x + 9
Simplify,
4x^2 - 5x - 4x^2 - 12x - 9 ≤ 0
-17x - 9 ≤ 0
-17x ≤ 9
x ≥ -9/17