Geometrical prove that a + b x a minus b is equals to a square minus b square
2 answers:
Answer:
see explanation
Step-by-step explanation:
(a + b)(a - b)
each term in the second factor is multiplied by each term in the first factor, that is
a(a - b) + b(a - b) ← distribute parenthesis
= a² - ab + ab - b² ← collect like terms
= a² - b²
Step-by-step explanation:
a² + b²
difference of two square
= (a + b)(a - b)
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