factorise 49x²-36 factorise it
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Step-by-step explanation:
[tex]49x²-36[/tex]
can be written as
[tex]7x {}^{2} - 6 {}^{2} [/tex]
on using identity
[tex](x - y)(x + y) = x {}^{2} - y {}^{2} [/tex]
[tex](7x - 6)(7x + 6)[/tex]
Verified answer
49x^2-36=(7x)^2-(6)^2
= (7x+6)(7x-6)
since a^2 -b^2= (a+b)(a-b)
ans.(7x+6)(7x-6)