waecmaths question:
Evaluate $\frac{{{(3.2)}^{2}}-{{(4.8)}^{2}}}{3.2+4.8}$
Option A:
– 0.80
Option B:
– 1.60
Option C:
– 10.24
Option D:
- 12.80
waecmaths solution:
$\frac{{{(3.2)}^{2}}-{{(4.8)}^{2}}}{3.2+4.8}=\frac{(3.2-4.8)(3.2+4.8)}{(3.2+4.8)}=-1.6$
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