Question

9y²-100=0 by factorisation method

Answer 1

Step-by-step explanation:

By square root formula :-

Let's solve your equation step-by-step.

9y2−100=0

Step 1: Add 100 to both sides.

9y2−100+100=0+100

9y2=100

Step 2: Divide both sides by 9.

9y2/9=100/9

y2=100/9

Step 3: Take square root.

y=±√100/9

y=3.333333,−3.333333

By factorisation :-

y=-10/3 or y=10/3

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