1) $\"\"$

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$\"\"$

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It is in the form of $\"\"$

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$\"\"$

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$\"\"$

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Take (x+3) common

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$\"\"$

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Cancel (x+3) from numerator and denominator

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$\"\"$

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Substitute the value of x = -3

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$\"\"$

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$\"\"$

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Cancel common terms

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$\"\"$

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2) $\"\"$

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Substitute the value of x = 4

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$\"\"$

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$\"\"$

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= 8

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3) $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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= 0