Question

pls ans i will mark you brainliest​

Answer 1

Answer:

Step-by-step explanation:

(x+a) (x+b) = $x^2$ + x(a+b) + ab

Now, (5y - 11z)(5y -8z)= $x^2$ -x(a+b)+ab

                                  = $(5y)^{2}$ - 5y(11z + 8z) + (11z × 8z)

                                 = 25$y^{2}$ - 5y × 19z  

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