Question

using the formula bracket open a + b (close square is equal to bracket open a square minus 2 a b + b [close evaluate 508 square​

Answer 1

Answer:

${(a + b)}^{2} = {a}^{2} - 2ab + {b}^{2} \\ {508}^{2} = > {(500 + 8)}^{2} \\ = > {500}^{2} - 2(500)(8) + {8}^{2} \\ = > 500 \times 500 - 2(4000) + 8 \times 8 \\ = > 250000 - 8000 + 64 \\ = > 250064 - 8000 \\ = > 242064$