MATHS / QUADRATICS
Find the dimensions.
A rectangle has an area of 54 cm². Its length is 3 cm greater than its width.
x54 cm2x + 3
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An example, from question to second attempt.
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MY FIRST ATTEMPT
Let width = x
x(x + 3) = 54
x² + 3x − 54 = 0
okay, what multiplies to −54?
↳
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