ananya37933 ananya37933

16-07-2020
Mathematics

contestada

Using (x + a) (x + b) = x² + (a + b) x + ab, evaluate 75 x 77

Respuesta :

lucasella lucasella

16-07-2020

(x + a) (x + b) = x² + (a + b) x + ab

75 * 77=

=(70+5)(70+7)

=70²+(5+7)*70+5*7

=4900+12*70+35

=4900+840+35

=5775

Answer Link

Otras preguntas

Question 12 of 15 A force is a push or pull.

What is the image of (- 1, - 8) after a dilation by a scale factor of 4 centered at the origin?

____________ RAM resides on the processor

Find a. Write your answer in simplest radical form.

where can we see informal economies take place more often in the geographic landscape and why?

they watch a funny movie (past continous)

what happens to a cell to specialize as a red blood cell

50 points to the first answer, will be checking the answers

A buyer who accepts goods but notifies the seller the goods are non-conforming a. cannot recover any damages. b. can recover the difference between the goods as

In your opinion, which monument or memorial in the National Mall is the most significant? Use evidence from your research to support your opinion. write around

ACCESS MORE