class 8th
Math
multiply the following using appropriate identities
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class 8th
Math
multiply the following using appropriate identities
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Step-by-step explanation:
Q3. (x+7)(x+7)
(x+7)^2
(x)^2 + (7)^ 2 + 2*x*7
x^2 + 49 + 14x
Q4. (3x+1)(3x-8)
3x(3x-8) + 1(3x-8)
9x^2 - 24x + 3x - 8
9x^2 - 21x - 8