Algebra
Calculus
Trigonometry
Matrix
Question
Factor the expression
−(y+4z+5)(y−4z+5)
Evaluate
16z2−y2−10y−25
Calculate
−y2+4yz−5y−4zy+16z2−20z−5y+20z−25
Rewrite the expression
−y×y+y×4z−y×5−4zy+4z×4z−4z×5−5y+5×4z−5×5
Factor out −y from the expression
−y(y−4z+5)−4zy+4z×4z−4z×5−5y+5×4z−5×5
Factor out −4z from the expression
−y(y−4z+5)−4z(y−4z+5)−5y+5×4z−5×5
Factor out −5 from the expression
−y(y−4z+5)−4z(y−4z+5)−5(y−4z+5)
Factor out y−4z+5 from the expression
(−y−4z−5)(y−4z+5)
Solution
−(y+4z+5)(y−4z+5)
Show Solution
