yazzielove33 yazzielove33

07-12-2020
Mathematics

contestada

What number would need to be added to both sides in order to complete the square? 3x² + 12x — 15 = 21

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FallenSkyBand FallenSkyBand

07-12-2020

Answer:

4

Step-by-step explanation:

Divide the coefficient of the x term by 2, then square the result. This number will be added to both sides of the equation. For the quadratic equation x2+4x=96, the coefficient of the x term is 4.

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