Question

simplify (8✓4_✓9)(8✓4+✓9)
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Answer 1

247

Step-by-step explanation:

$(8 \sqrt{4} ) {}^{2} - ( \sqrt{9} ) {}^{2} ( {a}^{2} - {b}^{2} )$

=64×4-9

=256-9

=247