Teacher asked the students to factorise 7x^2- 28 during collaborative learning. Tanya helps her friend to understand the identity in order to solve the question. a) Solve the above question using suitable identity.
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Step-by-step explanation:
identity used a^2-b^2 = (a+b)(a-b)
PLZ MARK AS BRAINLIEST
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Answer:
a^2 treatment cyan suspected
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